Mazda 6 Diagnostic Fault Codes List
Mazda 6 Diagnostic Trouble Codes List – a detailed reference book with decoding of error codes that occur during vehicle diagnostics. Includes descriptions of engine, transmission, electronics and safety system faults, as well as troubleshooting recommendations. It will help you quickly identify and solve problems, ensuring reliable operation of your Mazda 6.
Mazda 6 – Typical Error Codes
1. Engine and Fuel System
P0171 – Lean Fuel Mixture (Bank 1)
Causes: Clogged fuel filter, faulty mass air flow (MAF) sensor, vacuum leak.
Solution: Clean or replace MAF, check fuel system for leaks.
P0300 – Misfire Detected in Cylinder
Causes: Faulty spark plugs, ignition coils, fuel delivery problems.
Solution: Replace spark plugs and coils, diagnose fuel system.
P0420 – Low Catalytic Converter Efficiency (Bank 1)
Causes: Clogged or damaged catalytic converter, faulty oxygen sensor (lambda probe).
Solution: Check catalytic converter and replace oxygen sensors.
P0455 – Major Leak Detected in Evaporative Emission (EVAP) System
Causes: Fuel cap not closed properly, EVAP system damage.
Solution: Check and replace fuel cap, diagnose EVAP hoses.
P2187 – Lean Idle (Bank 1)
Causes: Oxygen sensor malfunction, air leak in intake manifold.
Solution: Check intake tract and fuel system.
2. Automatic transmission (AT)
P0700 – Transmission control system malfunction
Causes: Problems with the AT control unit, solenoids malfunction.
Solution: Control unit diagnostics, replacement of faulty components.
P0730 – Incorrect gear ratio
Causes: Friction wear, speed sensor malfunction.
Solution: Check the level and condition of the oil in the transmission.
P0744 – Torque converter slippage
Causes: Insufficient pressure in the AT, problems with the solenoids.
Solution: Change the oil in the transmission, check the operation of the torque converter.
3. Cooling system
P0113 – High Input Air Temperature (IAT) Sensor
Causes: Defective IAT sensor, damaged wiring.
Solution: Replace the sensor and check the connectors.
P0128 – Low Coolant Temperature
Causes: Stuck thermostat, defective temperature sensor.
Solution: Replace the thermostat and check the cooling system.
4. Electrical equipment and sensors
B1231 – Impact sensor (airbag) malfunction
Causes: Damaged impact sensor, broken wiring.
Solution: Diagnostics and replacement of the sensor, checking connections.
C1234 – Wheel speed sensor error (ABS)
Causes: Clogged or damaged sensor, broken wiring.
Solution: Cleaning or replacing the ABS sensor.
U3003 – Low battery voltage
Causes: Discharged or faulty battery, problems with the alternator.
Solution: Replace the battery, check the operation of the alternator.
5. Steering system
C1001 – Error in the Electric Power Steering (EPS) control module
Causes: The module is overheated, the supply voltage is insufficient.
Solution: Check the EPS power supply and cooling system.
C1235 – Error in the steering wheel angle sensor
Causes: Incorrect calibration of the sensor or damage to its components.
Solution: Recalibrate or replace the sensor.
6. Fuel system and emissions
P0090 – Problem with the fuel pressure control solenoid valve
Causes: Clogged valve, malfunction of electrical circuits.
Solution: Clean or replace the valve.
P0089 – Low fuel pressure
Causes: Clogged fuel filter, faulty fuel pump.
Solution: Replace the filter and diagnose the pump.
7. Air conditioning and climate control system
B10A9 – Interior temperature sensor malfunction
Causes: Sensor is damaged or dirty.
Solution: Clean or replace the sensor.
B1081 – Heater flap actuator error
Causes: The flap mechanism is jammed or the motor is faulty.
Solution: Replace the flap actuator.
Mazda 6 – All Error Codes
|
Error code |
Malfunction |
Possible cause of the malfunction |
Possible location of the malfunction |
|
B1318 |
Low supply voltage |
Low power supply voltage Battery and/or alternator fault Poor ground contact or ground break |
• Power supply for the pressure modulator and the ABS/TCS control unit |
|
B1342 |
The self-diagnostic system has detected a malfunction in the control unit of the AVZYASE systems |
Malfunction of the ABS/TCS control unit |
• ABS/TCS control unit |
|
C1095 |
The ABS pump motor is locked in the "OFF" position when the vehicle is moving or the ABS is operating, the motor receives commands to turn on |
Open or short circuit in the ABS pump motor and/or the ABS pump motor relay Stuck ABS pump motor relay and/or blocked ABS pump motor Open in the ABS pump motor circuit |
|
|
C1096 |
The ABS pump motor is locked in the "ON" position when the vehicle is moving or the ABS is operating, the motor receives commands to turn off |
|
Error code |
Malfunction |
Possible cause of the malfunction |
Possible location of the malfunction |
|
C1119 |
speed and throttle position data are out of acceptable range |
Engine management system malfunction |
|
|
C1140 |
Front right and rear left or front left and rear right wheels lock up while ABS is operating |
ABS/TCS pump jamming |
• Pump in the pressure modulator with the ABS/TCS control unit |
|
C1145 |
right wheel speed sensor |
Front right wheel speed sensor fault Open or short circuit in the front right wheel speed sensor circuit |
|
|
C1148 |
Incorrect signal from the front right wheel speed sensor when starting to move The speed sensor signal is out of the acceptable range of values during the start of movement |
Open or short to ground in the front right wheel speed sensor circuit speed sensor malfunction Front right wheel speed sensor rotor damaged Incorrect clearance between sensor rotor and front right wheel speed sensor |
|
|
C1155 |
left wheel speed sensor |
Front left wheel speed sensor malfunction Open or short circuit in the front left wheel speed sensor circuit |
|
|
C1158 |
Incorrect signal from the front left wheel speed sensor during start-up The speed sensor signal is out of the acceptable range of values when starting to move |
Open or short circuit to ground in the front left wheel speed sensor circuit Front left wheel speed sensor malfunction Damage to the rotor of the front left wheel speed sensor Incorrect clearance between the sensor rotor and the front left wheel speed sensor |
|
|
C1165 |
Incorrect signal from rear right wheel speed sensor |
Rear right wheel speed sensor malfunction Open or short circuit in the rear right wheel speed sensor circuit |
|
|
C1168 |
Incorrect signal from rear right wheel speed sensor during start of movement The speed sensor signal is out of the acceptable range of values during the start of movement |
Open or short to ground in the rear right wheel speed sensor circuit Rear right wheel speed sensor malfunction Damage to the rear right wheel speed sensor rotor Incorrect clearance between the sensor rotor and the rear right wheel speed sensor |
|
|
C1175 |
Incorrect signal from rear left wheel speed sensor |
Rear left wheel speed sensor fault Open or short circuit in the rear left wheel speed sensor circuit |
|
|
Error code |
Malfunction |
Possible cause of the malfunction |
Possible location of the malfunction |
|
C1178 |
Incorrect signal from rear left wheel speed sensor during start of movement The speed sensor signal is out of the acceptable range of values when starting to move |
Open or short circuit to ground in the rear left wheel speed sensor circuit Rear left wheel speed sensor fault of the rear left wheel speed sensor Incorrect clearance between sensor rotor and rear left wheel speed sensor |
|
|
C1186 |
The ABS emergency mode relay is stuck in the "OFF" position when the ignition is turned on, the ABS emergency mode relay receives commands to turn on |
Open or short circuit in the ABS emergency mode relay circuit emergency mode relay jammed in the "OFF" position ABS emergency mode relay circuit |
ABS emergency mode relay |
|
C1194 |
The solenoid valve does not respond to on/off commands |
Jamming of the electromagnetic valve in the pressure modulator with the ABS control unit solenoid valve circuit |
• Front left wheel pressure reducing solenoid valve |
|
C1198 |
Front left wheel retaining solenoid valve |
||
|
C1210 |
• Front right wheel pressure reducing solenoid valve |
||
|
C1214 |
• Front right wheel retaining solenoid valve |
||
|
C1233 |
Incorrect signal from the speed sensor ABS system operates for more than 60 seconds |
Short circuit to ground in the speed sensor circuit Speed sensor malfunction Speed sensor rotor damage Incorrect gap between the sensor rotor and the speed sensor |
|
|
C1234 |
|
||
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C1235 |
|
||
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C1236 |
|
||
|
C1242 |
The solenoid valve does not respond to commands on/ off |
Jamming of the electromagnetic valve in the pressure modulator with the ABS control unit solenoid valve circuit |
• Rear left wheel pressure reducing solenoid valve |
|
C1246 |
• Rear right wheel pressure reducing solenoid valve |
||
|
C1250 |
• Rear left wheel retaining solenoid valve |
||
|
C1254 |
• Rear right wheel retaining solenoid valve |
|
Error code |
Malfunction |
Possible cause of the malfunction |
Possible location of the malfunction |
|
C1266 |
ABS emergency mode relay stuck in the "ON" position when ignition is turned on, ABS emergency mode relay receives commands to turn off |
Open or short circuit in the ABS emergency mode relay The ABS emergency mode relay is stuck in the "ON" position Open circuit of power supply of emergency mode relay of ABS system |
ABS emergency mode relay |
|
C1414 |
Unable to transmit data via CAN data bus |
Incorrect installation of the control unit of the AVBYaSZ system Incorrect connection of the ABS/TCS control unit connector |
|
|
C1508 |
TCS operation continues for 60 seconds or more |
There are no system malfunctions |
• There are no system faults. To protect the electromagnetic valves and engine from damage, long-term operation of the TCS system is prohibited. |
|
C1510 |
The front right wheel locks up when the ABS system is operating (the pressure reducing valve is faulty) |
Malfunction of the electromagnetic valve in the pressure modulator with the ABS system control unit. ABS Speed Sensor Malfunction Pressure modulator malfunction Damage to the speed sensor rotor ABS pump motor lock |
|
|
C1511 |
The front left wheel locks up when the ABS system is operating (the pressure reducing valve is faulty) |
|
|
|
C1512 |
locks up when the ABS system is operating (the pressure reducing valve is faulty) |
|
|
|
C1513 |
locks up when the ABS system is operating (the pressure reducing valve is faulty) |
|
|
|
U2021 |
After the engine has warmed up , the coolant temperature sensor shows a temperature of 0°C or lower. The engine and automatic transmission control unit prohibits the TCS system from operating. |
There are no faults in the TCS system. When the working fluid temperature sensor shows that the engine has warmed up, the engine control unit and automatic transmission will allow the TCS system to operate. |
|
DSC stability control system
|
Error code |
Malfunction |
Possible cause of the malfunction |
Possible location of the malfunction |
|
B1318 |
Low supply voltage |
power supply voltage Battery and/or generator faulty Poor ground contact or ground open |
|
|
B1342 |
The self-diagnosis system has detected a malfunction in the DSC control unit |
DSC control unit malfunction |
• DSC system control unit |
|
Error codes |
Malfunction |
Possible cause of the malfunction |
Possible location of the malfunction |
|
B1483 |
Brake light switch malfunction |
Brake light switch malfunction |
|
|
B1484 |
Open circuit in brake light switch circuit |
Break in the brake light switch circuit |
|
|
B1486 |
Short circuit in the brake light switch circuit |
Short circuit in the brake light switch circuit |
|
|
B1627 |
For more than 10 seconds, the DSC control unit receives a signal that reverse gear is engaged when the vehicle is moving at a speed of more than 65 km/h |
Short circuit in the circuit: reversing light switch - terminal "I" of the DSC control unit Malfunction of the start inhibit switch (automatic transmission) or the reversing light switch (manual transmission) |
|
|
B2477 |
control unit configuration |
Incorrect control unit configuration |
• The control unit configuration has not been set. |
|
C1095 |
The DSC pump motor is locked in the "OFF" position during vehicle start-up or DSC operation, the motor is commanded to turn on |
Open or short circuit in the DSC pump motor and/or the DSC pump motor relay; motor relay jamming and/or DSC pump motor blocking; Open circuit in the DSC pump motor circuit/ |
|
|
C1096 |
pump motor is locked in the "ON" position when the vehicle is moving or when DSC is operating, the motor is commanded to turn off |
||
|
C1119 |
Engine speed and throttle position data are out of acceptable range |
Engine management system malfunction |
|
|
C1125 |
The DSC control unit receives a signal indicating low brake fluid level for 5 seconds or more |
Low brake fluid level ; Low brake fluid level sensor malfunction. |
|
|
C1140 |
Front right and rear left or front left and rear right wheels lock during DSC operation |
DSC system pump jamming |
• Pump in the pressure modulator with the DSC system control unit |
|
C1145 |
Incorrect signal from the front right wheel speed sensor |
wheel speed sensor fault Open or short circuit in the front right wheel speed sensor circuit |
|
|
C1148 |
Incorrect signal from the front right wheel speed sensor during start -up The speed sensor signal is out of the acceptable range of values when starting to move |
wheel speed sensor circuit wheel speed sensor fault Damage to the rotor of the front right wheel speed sensor Incorrect clearance between the sensor rotor and the front right wheel speed sensor |
|
|
Error code |
Malfunction |
Possible cause of the malfunction |
Possible location of the malfunction |
|
C1155 |
Incorrect signal from the front left wheel speed sensor |
Front left wheel speed sensor fault Open or short circuit in the front left wheel speed sensor circuit |
|
|
C1158 |
Incorrect signal from front left wheel speed sensor during start of movement The speed sensor signal is out of the acceptable range of values when starting to move |
Open or short circuit to ground in the front left wheel speed sensor circuit Front left wheel speed sensor faulty Front left wheel speed sensor rotor damaged Incorrect clearance between the sensor rotor and the front left wheel speed sensor |
|
|
C1165 |
Incorrect signal from rear right wheel speed sensor |
Rear right wheel speed sensor fault Open or short circuit in the rear right wheel speed sensor circuit |
|
|
C1168 |
Incorrect signal from rear right wheel speed sensor during start of movement The speed sensor signal is out of the acceptable range of values when starting to move |
Open or short circuit to ground in the rear right wheel speed sensor circuit Rear right wheel speed sensor malfunction Damage to the rotor of the rear right wheel speed sensor rear right wheel speed sensor |
|
|
C1175 |
Incorrect signal from rear left wheel speed sensor |
Rear left wheel speed sensor fault Open or short circuit in the rear left wheel speed sensor circuit |
|
|
C1178 |
Incorrect signal from rear left wheel speed sensor during start of movement The speed sensor signal is out of the acceptable range of values when starting to move |
Open or short circuit to ground in the rear left wheel speed sensor circuit Rear left wheel speed sensor malfunction Damage to the rear left wheel speed sensor rotor Incorrect clearance between the sensor rotor and the rear left wheel speed sensor |
|
|
C1186 |
emergency mode relay stuck in the "OFF" position when ignition is turned on, DSC emergency mode relay receives commands to turn on |
DSC system emergency mode relay circuit DSC emergency mode relay stuck in the "OFF" position DSC system emergency mode relay |
• DSC system emergency mode relay |
|
C1194 |
The solenoid valve does not respond to on / off commands |
Jamming of the electromagnetic valve in the pressure modulator with the DSC control unit Open or short circuit in the electromagnetic valve circuit |
• Front left wheel pressure reducing solenoid valve |
|
C1198 |
Front left wheel retaining solenoid valve |
||
|
C1210 |
• Front right wheel pressure reducing solenoid valve |
||
|
C1214 |
Front right wheel retaining solenoid valve |
|
Error codes |
Malfunction |
Possible cause of the malfunction |
Possible location of the malfunction |
|
C1233 |
Incorrect signal from the speed sensor The ABS system operates for more than 60 seconds |
Short circuit to ground in the speed sensor circuit Speed sensor malfunction Damage to the rotor of the speed sensor Incorrect gap between sensor rotor and speed sensor |
|
|
C1234 |
|
||
|
C1235 |
|
||
|
C1236 |
|
||
|
C1242 |
The solenoid valve does not respond to on /off commands |
Jamming of the electromagnetic valve in the pressure modulator with the DSC control unit Open or short circuit in the electromagnetic valve circuit |
• Rear left wheel pressure reducing solenoid valve |
|
C1246 |
• Rear right wheel pressure reducing solenoid valve |
||
|
C1250 |
• Rear left wheel retaining solenoid valve |
||
|
C1254 |
• Rear right wheel retaining solenoid valve |
||
|
C1266 |
emergency mode relay stuck in the "ON" position when ignition is turned on, DSC emergency mode relay receives commands to turn off |
Open or short circuit in the DSC emergency mode relay The DSC emergency mode relay is stuck in the "ON" position Open circuit of power supply of DSC emergency mode relay |
• DSC system emergency mode relay |
|
C1400 |
The solenoid valve does not respond to on / off commands |
Jamming of the electromagnetic valve in the pressure modulator with the control unit of the DSC system Open or short circuit in the solenoid valve circuit |
• TCS solenoid valve (front right wheel) |
|
C1410 |
• TCS solenoid valve (front left wheel) |
||
|
C1957 |
The solenoid valve does not respond to on /off commands |
Jamming of the electromagnetic valve in the pressure modulator with the control unit of the DSC system Open or short circuit in the solenoid valve circuit |
• DSC solenoid valve (front right wheel) |
|
C1958 |
• DSC solenoid valve (front left wheel) |
||
|
C1280 |
The voltage at the terminals of the course deviation sensor is constant and does not change; The difference between the readings of the course deviation sensor and the value calculated from the readings of the lateral acceleration sensor, steering wheel angle sensor and wheel speed sensors exceeds the permissible values. |
Open or short circuit in the combination sensor circuit; Malfunction of the combination sensor. |
|
|
C1730 |
The voltage at the terminals of the combined sensor is outside the permissible range of values. |
Open or short circuit in the combination sensor circuit; Malfunction of the combination sensor. |
|
|
Error code |
Malfunction |
Possible cause of the malfunction |
Possible location of the malfunction |
|
C1952 |
The voltage at the terminals of the course deviation sensor has gone beyond the permissible range of values |
Open or short circuit in the combination sensor circuit; Malfunction of the combination sensor. |
|
|
C1951 |
The voltage at the terminals of the acceleration sensor is less than 0.5 V or more than 4.5 V; The voltage value at the terminals of the lateral acceleration sensor changes 8 times by 1.25 V or more within 1 second. |
Open or short circuit in the combination sensor circuit; Malfunction of the combination sensor. |
|
|
C1959 |
The voltage at the terminals of the lateral acceleration sensor is constant and does not change; The difference between the readings of the lateral acceleration sensor and the value calculated from the readings of the steering wheel angle sensor exceeds the permissible values. |
Open or short circuit in the combination sensor circuit; Malfunction of the combination sensor. |
|
|
C1414 |
Unable to transmit data via CAN data bus |
Incorrect installation of the AVEYASE control unit Incorrect connection of the ABS/TCS control unit connector |
|
|
C1507 |
The TCS and DSC systems continue to operate for 20 seconds or more. |
There are no system faults. To protect the electromagnetic valves and engine from damage, long-term operation of the TCS and DSC systems is prohibited. |
• TCS/DSC control system |
|
C1508 |
TCS operation continues for 60 seconds or more |
• TCS/DSC control system |
|
|
C1510 |
The front right wheel locks when the DSC system is operating (the pressure reducing valve is faulty) |
Malfunction of the electromagnetic valve in the pressure modulator with the control unit of the DSC system DSC speed sensor malfunction Pressure modulator malfunction Damage to the rotor of the speed sensor Blocking the electric motor on the DSC system pump |
|
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C1511 |
The front left wheel locks up when the DSC system is operating (the pressure reducing valve is faulty) |
|
|
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C1512 |
The rear right wheel locks when the DSC system is operating (the pressure reducing valve is faulty) |
|
|
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C1513 |
The rear left wheel locks up when the DSC system is operating (the pressure reducing valve is faulty) |
|
|
Error code |
Malfunction |
Possible cause of the malfunction |
Possible location of the malfunction |
|
Since 1953 |
The voltage at the terminals of the brake fluid pressure sensor is less than 0.5 V or more than 4.5 V ; The voltage value at the terminals of the brake fluid pressure sensor changes 8 times by 0.4 V or more within 1 second. |
Brake fluid pressure sensor malfunction |
• Brake fluid pressure sensor;
|
|
Since 1954 |
The zero point of the sensor installation is not adjusted: the voltage is less than 0.3 V or more than 0.9 V ; The voltage at the terminals of the brake fluid pressure sensor does not increase by more than 0.06 V ; The difference between the expected brake fluid pressure value and the brake fluid pressure sensor readings exceeds the established norm. |
Brake fluid pressure sensor malfunction |
• Brake fluid pressure sensor;
|
|
C1955 |
The voltage at the terminals of the steering wheel angle sensor is less than 1 V or more than 3.25 V |
Open or short circuit in the steering wheel angle sensor circuit ; Steering wheel angle sensor malfunction . |
wheel angle sensor ;
|
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C1956 |
Steering wheel angle sensor signal 1 does not change, signal 2 changes; Steering wheel angle sensor signal 2 does not change, signal 1 changes; The steering wheel angle sensor detects the neutral position of the steering wheel when the steering wheel is turned at an angle greater than 18°. |
||
|
U2021 |
After the engine has warmed up, the coolant temperature sensor shows a temperature of 0°C or lower. The engine and automatic transmission control unit prohibits the operation of the TCS system. |
There are no faults in the TCS system. When the working fluid temperature sensor shows that the engine has warmed up, the engine and automatic transmission control unit will allow the TCS system to operate. |
Coolant Temperature Sensor Wiring |
|
Error code |
Malfunction |
Possible location of the malfunction |
|
B1231 |
The passive restraint system control unit cannot activate the airbag |
safety system control unit |
|
B1342 |
Passive safety system control unit malfunction |
Passive safety system control unit |
|
B1869 |
Open circuit or short to ground in the SRS indicator circuit |
|
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B1870 |
passive restraint system (SRS) indicator circuit |
|
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B1871 |
Front passenger presence sensor ( data exchange error) |
|
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Front passenger presence sensor ( internal circuit malfunction) |
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B1877 |
Driver's seat belt pretensioner high resistance |
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B1878 |
Short circuit to "+" in the driver's seat belt pretensioner circuit |
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B1879 |
Short circuit to ground in driver's seat belt pretensioner circuit |
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B1881 |
Front passenger seat belt pretensioner high resistance |
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B1882 |
Short circuit to "+" in the front passenger seat belt pretensioner circuit |
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B1883 |
Short circuit to ground in front passenger seat belt pretensioner circuit |
|
Code |
Malfunction |
Possible location of the malfunction |
|
B1884 |
Open circuit or short to ground in front passenger airbag off indicator circuit |
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B1885 |
Driver's seat belt pretensioner low resistance |
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B1886 |
Front passenger seat belt pretensioner low resistance |
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B1890 |
Short circuit to "+" in the front passenger airbag deactivation indicator circuit |
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B1913 |
Short circuit to ground driver airbag igniter #1 |
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Short circuit to ground of igniter #1 of front passenger airbag |
||
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B1916 |
Short circuit to "+" of igniter #1 for driver's airbag |
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B1921 |
Activation of airbags is prohibited |
— The programming of the passive safety system control unit has not been completed. |
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B1925 |
Short circuit to "+" of igniter #1 for front passenger airbag |
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B1932 |
Driver Air Bag Igniter #1 High Resistance |
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B1933 |
Front passenger airbag igniter #1 high resistance |
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B1934 |
Driver Air Bag Igniter #1 Low Resistance |
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B1935 |
Front passenger airbag igniter #1 low resistance |
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B1992 |
driver's airbag circuit |
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B1993 |
Short circuit to ground in driver airbag circuit |
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B1994 |
Driver airbag high resistance |
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B1995 |
Driver airbag low resistance |
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B1996 |
front passenger airbag circuit |
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B1997 |
front passenger airbag circuit |
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B1998 |
Front passenger airbag high resistance |
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B1999 |
Front passenger airbag low resistance |
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B2228 |
Short circuit to ground driver airbag igniter #2 |
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B2229 |
Short circuit to ground of igniter #2 of front passenger airbag |
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|
Error code |
Malfunction |
Possible location of the malfunction |
|
B2230 |
Short circuit to "+" of igniter N22 for driver's airbag |
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B2231 |
Short circuit to "+" of igniter #2 for front passenger airbag |
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B2232 |
Driver Air Bag Igniter #2 High Resistance |
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B2233 |
Front passenger airbag igniter #2 high resistance |
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B2234 |
Driver Air Bag Igniter #2 Low Resistance |
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B2235 |
Front passenger airbag igniter #2 low resistance |
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B2296 |
Front sensor (communication error, internal circuit malfunction) |
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B2444 |
Driver side airbag sensor (internal circuit malfunction) |
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B2445 |
Front Passenger Side Airbag Sensor (Internal Circuit Malfunction) |
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B2477 |
The programming of the passive safety system control unit was performed incorrectly |
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B2773 |
Driver side curtain airbag low resistance |
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B2774 |
Driver side curtain airbag high resistance |
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B2775 |
Short circuit to ground in driver side curtain airbag |
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B2776 |
Short circuit to "+" of the driver's side curtain airbag |
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B2777 |
Low resistance of the curtain airbag on the front passenger side |
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B2778 |
High resistance of curtain airbag on the front passenger side |
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B2779 |
Short circuit to ground curtain airbag on the front passenger side |
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B2780 |
Short circuit to "+" curtain airbag on the front passenger side |
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B2867 |
Poor contact of the passive safety system control unit connector |
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U2017 |
Driver side airbag sensor (communication error) |
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U2018 |
Front Passenger Side Airbag Sensor (Communication Error) |
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Automatic transmission fault codes:
|
Error code |
Malfunction |
Conditions for the code to appear |
Possible location of the malfunction |
|
P0500 |
Vehicle speed sensor circuit fault |
There is no speed sensor signal for 4.5 seconds or more under the following conditions:
|
|
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P0706 |
Malfunction in the start inhibit switch circuit |
For the following conditions, continuing for 100 seconds or more: — engine crankshaft rotation speed is more than 530 rpm;
— voltage at the “1W” terminal of the engine and automatic transmission control unit is 0.5 V or more. |
• The start inhibit switch is not adjusted;
|
|
P0707 |
Malfunction in the start inhibit switch circuit |
For the following conditions, continuing for 100 seconds or more: — engine crankshaft rotation speed is more than 530 rpm;
|
|
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P0708 |
Malfunction in the start inhibit switch circuit |
For the following conditions, continuing for 100 seconds or more: — engine crankshaft rotation speed is more than 530 rpm;
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|
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P0711 |
Malfunction of the working fluid temperature sensor |
In the following conditions: — the engine runs for more than 180 seconds ; — the vehicle moves at a speed of 25–59 km/h for 150 seconds or at a speed of more than 60 km/h for 100 seconds;
— the voltage at the temperature sensor terminals is less than 0.06. |
|
|
P0712 |
Short circuit in the working fluid temperature sensor circuit |
For more than 150 seconds, the voltage at the terminals of the working fluid temperature sensor is less than 0.06 V at a vehicle speed of more than 20 km/h |
|
|
Error code |
Malfunction |
Conditions for the code to appear |
Possible location of the malfunction |
|
P0713 |
Open circuit in the working fluid temperature sensor |
For more than 150 seconds, the voltage at the terminals of the working fluid temperature sensor is more than 4.67 V at a vehicle speed of more than 20 km/h |
|
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P0715 |
Gearbox input shaft speed sensor malfunction |
No signal from the gearbox input shaft speed sensor for 0.7 seconds at a vehicle speed greater than 40 km/h |
Gearbox input shaft speed sensor ; • Wiring between the gearbox input shaft speed sensor and the engine and automatic transmission control unit;
|
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P0731 |
The gear ratio of the gearbox in 1st gear does not correspond to the nominal value |
Under the following conditions: — the temperature of the working fluid is more than 20°C; — 1st gear is engaged (selector in position “D”);
— gearbox input shaft speed 225–4988 rpm; — the throttle valve is open more than 5.67%; — the rotation frequency of the differential housing is more than 35 rpm; — the ratio of the forward clutch rotation frequency to the differential housing rotation frequency is less than 2.157;
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P0732 |
The gear ratio of the gearbox in 2nd gear does not correspond to the nominal value |
Under the following conditions: — the temperature of the working fluid is more than 20°C; — 2nd gear is engaged (selector in position “D”);
— gearbox input shaft speed 225–4988 rpm; — the rotation frequency of the differential housing is more than 35 rpm; — the ratio of the forward clutch rotation frequency to the differential housing rotation frequency is less than 1.249 or more than 2.157;
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P0733 |
The gear ratio of the gearbox in 3rd gear does not correspond to the nominal value |
Under the following conditions: — the temperature of the working fluid is more than 20°C; — 3rd gear is engaged (selector in position
— gearbox input shaft speed 225–4988 rpm; — the rotation frequency of the differential housing is more than 35 rpm; — the ratio of the forward clutch rotation frequency to the differential housing rotation frequency is less than 0.863 or more than 1.249;
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Error code |
Malfunction |
Conditions for the code to appear |
Possible location of the malfunction |
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P0734 |
The gear ratio of the gearbox in 4th gear does not correspond to the nominal value |
Under the following conditions:
— 4th gear is engaged (selector in position “D”);
— gearbox input shaft speed 225–4988 rpm;
— the throttle valve is completely closed; — the ratio of the forward clutch rotation frequency to the differential housing rotation frequency is less than 0.6 or more than 1.249;
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• Low level of automatic transmission fluid; Solenoid valve A, B or C; • Solenoid valve for controlling pressure in the main line;
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P0741 |
clutch is stuck in the "OFF" position |
Under the following conditions: — the temperature of the working fluid is more than 20°C; — 4th gear is engaged (selector in position “D”);
— gearbox input shaft speed 225–4988 rpm;
— the difference between the rotation speed of the engine crankshaft and the torque converter turbine wheel is more than 100 rpm;
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• Low automatic transmission fluid level; Solenoid valve A, B, C, D or E; • Solenoid valve for controlling pressure in the main line;
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P0742 |
clutch is stuck in the “ON” position |
Under the following conditions: — the temperature of the working fluid is more than 20°C; — 4th gear is engaged (selector in position “D”);
— gearbox input shaft speed 225–4988 rpm;
— the difference between the rotation speed of the engine crankshaft and the torque converter turbine wheel is less than 50 rpm;
Throttle position; — the throttle valve is closed for 10 seconds or more; — the throttle valve is open at 3.125 - 6.25% for 3 seconds or more; — the throttle valve is open more than 6.25% for 10 seconds or more. |
• Low automatic transmission fluid level; Solenoid valve A, B, C, D or E; • Solenoid valve for controlling pressure in the main line;
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Error code |
Malfunction |
Conditions for the code to appear |
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P0745 |
Open or short circuit in the main line pressure control solenoid valve circuit |
After starting the engine, the voltage at the terminals of the electromagnetic valve for controlling the pressure in the main line does not change and is equal to 0 V or the battery voltage. |
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P0751 |
Solenoid valve "A" stuck in the "OFF" position |
Codes P0731, P0732, P0733 are not output and the following conditions are met: — the temperature of the working fluid is more than 20°C; — 4th gear is engaged (selector in position “D”);
— gearbox input shaft speed 225–4988 rpm; — the rotation frequency of the differential housing is more than 35 rpm; — the ratio of the forward clutch rotation frequency to the differential housing rotation frequency is 0.91–1.09; — codes P0500, P0706, P0707, P0708, P0712, P0713, P0715, P0751, P0752, P0753, P0756, P0757, P0758, P0761, P0762, P0763, P0766, P0767, P0768, P0771, P0772, P0773 are not output. |
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P0752 |
Solenoid valve "A" stuck in the "ON" position |
Code P0734 is not output, 1st or 2nd gear is engaged, and the following conditions are met: — the temperature of the working fluid is more than 20°C; — 4th gear is engaged (selector in position “D”);
— the speed of the input shaft of the gearbox is more than 187.5 rpm; — codes P0500, P0705, P0706, P0710, P0715, P0751, P0752, P0753, P0756, P0757, P0758, P0761, P0762, P0763, P0766, P0767, P0768, P0771, P0772, P0773 are not output. |
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P0753 |
Open or short circuit in the solenoid valve "A" circuit |
The voltage at the terminals of the electromagnetic valve “A” does not change and is equal to 0 V or the battery voltage. |
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P0756 |
stuck in the "OFF" position |
Codes P0732, P0733, P0734 are not output and the following conditions are met: — the temperature of the working fluid is more than 20°C; — 1st gear is engaged (selector in position “D”);
— gearbox input shaft speed 225–4988 rpm; — the rotation frequency of the differential housing is more than 35 rpm; — the throttle valve is open more than 5.67%; the forward clutch rotation frequency to the differential housing rotation frequency is less than 2.157; — codes P0500, P0705, P0706, P0710, P0715, P0751, P0752, P0753, P0756, P0757, P0758, P0761, P0762, P0763, P0766, P0767, P0768, P0771, P0772, P0773 are not output. |
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Error code |
Malfunction |
Conditions for the code to appear |
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P0757 |
Solenoid valve "B" stuck in the "ON" position |
Codes P0731 and P0733 are not output and the following conditions are met: — 2nd gear is engaged and the following conditions are met: — the temperature of the working fluid is more than 20°C; · selector in position "D"; · the engine is running; — gearbox input shaft speed 225–4988 rpm; — the rotation frequency of the differential housing is more than 35 rpm; — the ratio of the forward clutch speed to the differential housing speed is less than 1.249 or more than 2.157. 4th gear is engaged and the following conditions are met: — the temperature of the working fluid is more than 20°C; · selector in position “D”; · the engine is running; — gearbox input shaft speed 225–4988 rpm; · car speed 50 km/h; · throttle valve closed; — the ratio of the forward clutch speed to the differential housing speed is less than 0.6 or more than 1.249. |
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P0758 |
Open or short circuit in the solenoid valve "B" circuit |
The voltage at the terminals of the electromagnetic valve B does not change and is equal to 0 V or the voltage of the battery. |
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P0761 |
stuck in the “OFF” position |
Codes P0733 and P0734 are not output and the following conditions are met: — 1st gear is engaged and the following conditions are met: — the temperature of the working fluid is more than 20°C; · selector in position "D"; · the engine is running; — gearbox input shaft speed 225–4988 rpm; — the throttle valve is open more than 5.67%; — the rotation frequency of the differential housing is more than 35 rpm; — the ratio of the forward clutch rotation frequency to the differential housing rotation frequency is less than 2.157. — 2nd gear is engaged and the following conditions are met: — the temperature of the working fluid is more than 20°C; · selector in position "D"; · the engine is running; — gearbox input shaft speed 225–4988 rpm; — the rotation frequency of the differential housing is more than 35 rpm; — the ratio of the forward clutch speed to the differential housing speed is less than 1.249 or more than 2.157. · codes P0500, P0705, P0706, P0710, P0715, P0751, P0752, P0753, P0756, P0757, P0758, P0761, P0762, P0763, P0766, P0767, P0768, P0771, P0772, P0773 are not output. |
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Code |
Malfunction |
Conditions for the code to appear |
Possible location of the malfunction |
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P0762 |
Solenoid valve "C" stuck in the "ON" position |
Codes P0731 and P0732 are not output and the following conditions are met: — 3rd gear is engaged and the following conditions are met : — the temperature of the working fluid is more than 20°C;
— gearbox input shaft speed 225–4988 rpm; — the rotation frequency of the differential housing is more than 35 rpm; — the ratio of the forward clutch speed to the differential housing speed is less than 0.863 or more than 1.249. 4th gear is engaged and the following conditions are met: — the temperature of the working fluid is more than 20°C;
— gearbox input shaft speed 225–4988 rpm;
— the ratio of the forward clutch speed to the differential housing speed is less than 0.6 or more than 1.249. — codes P0500, P0705, P0706, P0710, P0715, P0751, P0752, P0753, P0756, P0757, P0758, P0761, P0762, P0763, P0766, P0767, P0768, P0771, P0772, P0773 are not output. |
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P0763 |
Open or short circuit in the solenoid valve "C" circuit |
The voltage at the terminals of the electromagnetic valve “C” does not change and is equal to 0 V or the battery voltage. |
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P0766 |
Solenoid valve "D" stuck in the "OFF" position |
Codes P0731, P0732, P0733 are not output and the following conditions are met: — the temperature of the working fluid is more than 20°C; — 4th gear is engaged (selector in position “D”);
— gearbox input shaft speed 225–4988 rpm;
— the ratio of the forward clutch rotation frequency to the differential housing rotation frequency is less than 0.6 or more than 1.249.
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Error code |
Malfunction |
Conditions for the code to appear |
Possible location of the malfunction |
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P0767 |
Solenoid valve "D" stuck in the "ON" position |
Codes P0731, P0732, P0734, and P0741 are not output and the following conditions are met: — the temperature of the working fluid is more than 20°C;
— gearbox input shaft speed 225–4988 rpm; — the rotation frequency of the differential housing is more than 35 rpm; — the ratio of the forward clutch rotation frequency to the differential housing rotation frequency is less than 0.863 or more than 1.249; — codes P0500, P0705, P0706, P0710, P0715, P0751, P0752, P0753, P0756, P0757, P0758, P0761, P0762, P0763, P0766, P0767, P0768, P0771, P0772, P0773 are not output. |
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P0768 |
Open or short circuit in the solenoid valve "D" circuit |
When driving in 4th gear (selector in position "D"), the voltage at the terminals of the electromagnetic valve "D" does not change and is equal to 0 V or the battery voltage. |
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P0771 |
Solenoid valve "E" stuck in the "OFF" position |
Codes P0731, P0732, P0734 are not output and the following conditions are met: — the temperature of the working fluid is more than 20°C; — 4th gear is engaged (selector in position “D”);
— gearbox input shaft speed 225–4988 rpm;
— the difference between the engine crankshaft speed and the torque converter turbine wheel speed is more than 100 rpm; — codes P0500, P0705, P0706, P0710, P0715, P0751, P0752, P0753, P0756, P0757, P0758, P0761, P0762, P0763, P0766, P0767, P0768, P0771, P0772, P0773 are not output. |
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P0772 |
Solenoid valve "E" stuck in the "ON" position |
Codes P0731, P0732, P0734 are not output and the following conditions are met: — the temperature of the working fluid is more than 20°C; — 4th gear is engaged (selector in position “D”);
— gearbox input shaft speed 225–4988 rpm;
— the difference between the rotation speed of the engine crankshaft and the torque converter turbine wheel is less than 50 rpm; Throttle position; — the throttle valve is closed for 5 seconds or more; — the throttle valve is open by 3.1 -10.1% for 3 seconds or more; — the throttle valve is open more than 10.1% for 5 seconds or more. |
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Code |
Malfunction |
Conditions for the code to appear |
Possible location of the malfunction |
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P0773 |
Open or short circuit in the solenoid valve "E" circuit |
When driving in 4th gear (selector in position “D”), the voltage at the terminals of the electromagnetic valve “E” does not change and is equal to 0 V or the battery voltage. |
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P0841 |
Malfunction in the automatic transmission fluid pressure sensor circuit |
Codes P0731, P0732, P0734, and P0741 are not output and the following conditions are met for 10 seconds: — when driving in 1st, 2nd or 3rd gear : — the temperature of the working fluid is more than 20°C; — working fluid pressure sensor in the “OFF” position; — the ratio of the forward clutch rotation frequency to the differential housing rotation frequency is less than 0.91 or more than 3.08;
— the temperature of the working fluid is more than 20°C; — working fluid pressure sensor in the “ON” position; — the ratio of the forward clutch rotation frequency to the differential housing rotation frequency is less than 0.64 or more than 0.82; — codes P0500, P0705, P0706, P0710, P0715, P0751, P0752, P0753, P0756, P0757, P0758, P0761, P0762, P0763, P0766, P0767, P0768, P0771, P0772, P0773 are not output. |
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Engine management system:
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Error code |
System or sensor |
Conditions for the occurrence of a malfunction |
Possible location of the malfunction |
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P0010 |
Valve timing system variable valve timing valve |
High or low voltage on valve |
Variable Valve Timing System Valve, Connectors, Wire break between terminal "B" of the valve and the main relay , Short circuit to ground, to “+” or break in the wire between terminal “A” of the valve and terminal “4M” of the control unit, Control unit. |
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P0011 |
Valve timing system variable valve timing valve |
Valve opening angle too early (30°) |
Variable Valve Timing System Valve, Valve Spool Jamming, The timing belt is loose or the valve timing is incorrectly set, Connectors, Control unit. |
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P0012 |
Valve timing system variable valve timing valve |
opening angle too late (5° for 5 sec) |
Variable valve timing system valve, Low oil pressure or clogged lines, Valve spool jammed, Oil leak, The timing belt is loose or the valve timing is incorrectly set, Connectors, Control unit. |
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P0031 |
Heated oxygen sensor before catalytic converter |
Low signal level with oxygen sensor heater off |
Heated oxygen sensor before catalytic converter, Broken wire between the ignition switch and terminal "C" of the oxygen sensor, Short circuit to ground or open circuit in the wire between the sensor terminal “D” and the control unit terminal “4A”, Connectors, Control unit. |
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P0032 |
Heated oxygen sensor before catalytic converter |
High signal level when the oxygen sensor heater is on |
Heated oxygen sensor before catalytic converter, Short circuit in the wires between the "D" terminal of the sensor and the "4A" terminal of the control unit, Connectors, Control unit. |
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P0037 |
Heated oxygen sensor after catalytic converter |
Low signal level with oxygen sensor heater off |
Heated oxygen sensor after catalytic converter, Broken wire between the ignition switch and terminal "C" of the oxygen sensor, Short circuit to ground or open circuit in the wire between the sensor's "D" terminal and the control unit's "4D" terminal, Connectors, Control unit. |
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Code |
System or sensor |
Conditions for the occurrence of a malfunction |
Possible location of the malfunction |
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P0038 |
Heated oxygen sensor after catalytic converter |
High signal level with oxygen sensor heater on |
Heated oxygen sensor before catalytic converter, Short circuit to “+” of the wire between the “D” terminal of the sensor and the “4D” terminal of the control unit, Connectors, Control unit. |
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P0101 |
Sensor mass consumption air, Sensor provisions throttle dampers |
MAF sensor readings are lower than expected (by throttle position sensor) or engine speed (higher than expected) |
Mass air flow sensor, Throttle position sensor, Oxidation of contacts or sensors, Voltage drop. |
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P0102 |
Low signal sensor mass consumption air |
The voltage at the "1P" terminal of the control unit is less than 0.21 V |
Mass Air Flow Sensor, Connectors, Short circuit to ground or open circuit in the wire between terminal “C” of the sensor and terminal “1P” of the control unit, Broken wire between the main relay and terminal “A” of the sensor. |
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P0103 |
High signal sensor mass consumption air |
The voltage at the "1P" terminal of the control unit is more than 4.90 V |
Mass Air Flow Sensor, Connectors, Short circuit to “+” of the wire between the “C” terminal of the sensor and the “1P” terminal of the control unit, Ground wire break, Control unit. |
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P0107 |
Low signal sensor absolute pressure in inlet collector |
The voltage at the "1J" terminal of the control unit is less than 0.1 V at an intake air temperature of more than 10°C |
Manifold Absolute Pressure Sensor, Connectors, Short circuit to ground in the wire between terminal "D" of the sensor and terminal "1 J" of the control unit, Wire break between terminal “C” of the sensor and terminal “2K” of the control unit, Short circuit of wires. |
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P0108 |
High signal sensor absolute pressure in inlet collector |
The voltage at the "1J" terminal of the control unit is more than 4.9 V at an intake air temperature of more than 10 ° C |
Manifold Absolute Pressure Sensor, Connectors, Wire break between terminal “A” of the sensor and terminal “2H” of the control unit, Wire break between terminal "D" of the sensor and terminal "1J" of the control unit, Short circuit of wires, Control unit. |
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P0111 |
Intake Air Temperature Sensor |
Temperature sensor readings are higher than coolant temperature sensor readings when ignition switch is set to "ON" position and coolant temperature is 40°C |
Intake Air Temperature Sensor, Connectors, Short circuit between wires, Control unit. |
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P0112 |
Intake Air Temperature Sensor Low Signal |
The voltage at the "2E" terminal of the control unit is less than 0.15 V |
Intake air temperature sensor, Short circuit to ground in the wire between terminal "D" of the sensor and "2E" of the control unit, Short circuit between wires, Control unit. |
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P0113 |
Intake Air Temperature Sensor High Signal |
The voltage at the "2E" terminal of the control unit is more than 4.9 V |
Intake air temperature sensor, Short circuit to ground or open circuit in the wire between terminal “D” of the sensor and “2E” of the control unit, Wire break between terminal "E" of the sensor and "2H" of the control unit, Connectors, Control unit. |
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P0117 |
Low signal from the coolant temperature sensor |
The voltage at the "1M" terminal of the control unit is less than 0.20 V |
Intake air temperature sensor, Short circuit to ground in the wire between terminal “A” of the sensor and terminal “1M” of the control unit, Short circuit between wires, Control unit. |
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Code |
System or sensor |
Conditions for the occurrence of a malfunction |
Possible location of the malfunction |
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P0118 |
High sensor signal coolant temperature |
The voltage at the "1M" terminal of the control unit is more than 4.6 V |
Intake air temperature sensor, Wire break between terminal “A” of the sensor and terminal “1M” of the control unit, Short circuit to “+” of the wire between the “A” terminal of the sensor and the “1M” terminal of the control unit, Wire break between terminal “B” of the sensor and terminal “2H” of the control unit, Connectors, Control unit. |
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P0121 |
Position sensor throttle dampers Jamming throttle flaps in closed position/ open position |
For 5 seconds, the throttle valve is open less than 12.5% at a coolant temperature of >80°C and at an air flow through the mass air flow sensor of more than 32.0 g/sec For 5 seconds, the throttle valve is open more than 50% at a crankshaft speed of >500 rpm and at an air flow through the mass air flow sensor of less than 5 g/sec |
Throttle Position Sensor, Mass Air Flow Sensor, Sensor Supply Voltage, Connectors, Control unit. |
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P0122 |
Throttle Position Sensor Low Signal |
The voltage at the 2A terminal of the control unit is less than 0.1 V |
Throttle Position Sensor, Short circuit to ground or open circuit in the wire between terminal “B” of the sensor and “2A” of the control unit, Wire break between terminal “C” of the sensor and terminal “2K” of the control unit, Short circuit between wires, Connectors. |
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P0123 |
Throttle Position Sensor High Signal |
The voltage at the "2A" terminal of the control unit is more than 4.90 V when the ignition switch is set to the "ON" position |
Throttle Position Sensor, Short circuit to “+” of the wire between terminal “A” of the sensor and “2 H” of the control unit, Wire break between terminal “A ” of the sensor and “2H” of the control unit, Connectors, Control unit. |
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P0125 |
Coolant temperature is insufficient for closed-loop fuel control |
Coolant temperature sensor, Connectors, Control unit. |
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P0131 |
Low signal from the oxygen sensor before the catalytic converter |
For 41.2 sec, the voltage at the sensor terminal does not change and is less than 0.45 V at a coolant temperature of 80°C and a crankshaft speed of >1500 rpm |
Fuel pressure regulator, Oxygen sensor, Fuel injectors, Fuel pressure regulator, Fuel pump, Clogged or damaged fuel lines between the fuel tank and the fuel rail or the pressure regulator and the fuel tank, Ignition system, Clogged or damaged air intake pipes and hoses, Fuel vapor recovery system solenoid valve , Loose connection of exhaust system components, Low pressure at the end of the compression stroke, Engine failure. |
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Error code |
System or sensor |
Conditions for the occurrence of a malfunction |
Possible location of the malfunction |
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P0132 |
High signal oxygen sensor before catalytic converter |
For 41.2 sec, the voltage at the sensor terminal does not change and is more than 0.45 V at a coolant temperature of 80°C and a crankshaft speed of >1500 rpm |
Fuel pressure regulator, Oxygen sensor, Fuel injectors, Fuel pressure regulator, Fuel pump, Clogged or damaged fuel lines between the fuel tank and the fuel rail or the pressure regulator and the fuel tank, Ignition system, Clogged or damaged air intake pipes and hoses, solenoid valve , Loose connection of exhaust system components, Low compression stroke end pressure, Engine failure. |
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P0133 |
Small oxygen sensor response time before catalytic converter |
Load: 14.8 - 59.4%, crankshaft speed 1410-4000 rpm (manual transmission), 1190-4000 rpm (automatic transmission), vehicle speed >3.75 km/h, coolant temperature >(-10)°C, more than 10 oxygen sensor inversion cycles have passed |
Fuel pressure regulator, Oxygen sensor, Fuel pressure regulator, Fuel pump, Clogged or damaged fuel lines between the fuel tank and the fuel rail or the pressure regulator and the fuel tank, Clogged or damaged air intake pipes and hoses, solenoid valve , Loose connection of exhaust system components, Engine malfunction. |
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P0134 |
Oxygen sensor before catalytic converter |
For 83.2 sec, the sensor output voltage is less than 0.55 V at a crankshaft speed of more than 1500 rpm and a coolant temperature of more than 80°C |
Oxygen sensor, Oxygen sensor heater, Loose connection of exhaust system components, Short circuit to ground or open circuit in the wire between terminal “A” of the sensor and terminal “1AB” of the control unit, Low end of compression stroke pressure, Engine failure. |
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P0138 |
Low signal oxygen sensor after catalytic converter |
For 7 seconds, the voltage at the sensor output is more than 0.45 V when the fuel supply is stopped |
Oxygen sensor, Short circuit to “+” of the wire between terminal “A” of the sensor and terminal “1Y” of the control unit. |
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P0140 |
Oxygen sensor after catalytic converter |
For 30.4 sec, the sensor output voltage is less than 0.55 V at a crankshaft speed of more than 1500 rpm and a coolant temperature of more than 80°C |
Oxygen sensor, Oxygen sensor heater, Loose connection of exhaust system components, Short circuit to ground or open circuit in the wire between terminal “A” of the sensor and terminal “1Y” of the control unit, Low end of compression stroke pressure, Engine failure. |
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P0171 |
Too much poor fuel-air mixture |
— |
Misfire, Oxygen sensor, Fuel pressure regulator, Fuel pump, f Fuel injectors, Clogged or damaged fuel lines between the fuel tank and the fuel rail or the pressure regulator and the fuel tank, Ignition system, Clogged or damaged air intake pipes and hoses, Fuel vapor recovery system. |
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P0172 |
Too much rich fuel-air mixture |
Misfire, Oxygen sensor, Fuel pressure regulator, Fuel pump, Fuel injectors, Clogged or damaged fuel lines between the fuel tank and the fuel rail or the pressure regulator and the fuel tank, Fuel vapor recovery system. |
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Error code |
System or sensor |
Conditions for the occurrence of a malfunction |
Possible location of the malfunction |
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P0300 |
Random/Multiple Cylinder(s) Misfire |
Crankshaft position sensor, Camshaft Position Sensor, Spark plugs, Mass Air Flow Sensor, Fuel pressure regulator, Fuel pump, Fuel injectors, Clogged or damaged air intake pipes and hoses, Clogged or damaged fuel lines between the fuel tank and the fuel rail or the pressure regulator and the fuel tank, Fuel vapor recovery system. |
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P0301 |
Cylinder 1 — pass ignition |
Spark plugs, Fuel injectors, Clogged or damaged air intake pipes and hoses. |
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P0302 |
Cylinder 2 - pass ignition |
Spark plugs, Fuel injectors, Clogged or damaged air intake pipes and hoses. |
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P0303 |
Cylinder 3 - pass ignition |
Spark plugs, Fuel injectors, Clogged or damaged air intake pipes and hoses. |
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P0304 |
Cylinder 4 - pass ignition |
Spark plugs, Fuel injectors, Clogged or damaged air intake pipes and hoses. |
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P0327 |
Low signal sensor detonations |
The voltage at the terminals "2P" and "2S" of the control unit is less than 0.9 V |
Knock sensor, Short circuit to ground or open circuit in the wire between terminal “A” of the sensor and “2S” of the control unit, Short circuit to ground or open circuit in the wire between terminal “B” of the sensor and “2P” of the control unit, Connectors. |
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P0328 |
High signal sensor detonations |
The voltage at the terminals “2P” and “2S” of the control unit is more than 4.9 V |
Knock sensor, Short circuit to “+” of the wire between the “A” terminal of the sensor and “2S” of the control unit, Short circuit to “+” of the wire between the “B” terminal of the sensor and “2P” of the control unit, Connectors. |
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P0335 |
Sensor provisions crankshaft shaft |
The control unit does not receive a signal from the crankshaft position sensor for 4.2 seconds, when the air flow through the mass air flow sensor is more than 2.0 g / sec |
Dirt getting into the gap between the sensor and the crankshaft position sensor, Crankshaft position sensor, Short circuit to “+” or to ground, open circuit in the wire between terminal “B” of the sensor and “2G” of the control unit, Short circuit to “+” or to ground, open circuit in the wire between terminal “A” of the sensor and “2D” of the control unit, Crankshaft toothed pulley. |
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P0340 |
Camshaft Position Sensor |
When the crankshaft rotates, the control unit does not receive a signal from the position sensor. camshaft |
Camshaft position sensor, Short circuit to "+" or to ground, open circuit in wire between terminal "A" of sensor and "2M" of control unit, Short circuit to "+" or to ground, open circuit in wire between terminal "B" of sensor and "2J" of control unit, For sensor, Connectors. |
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P0403 |
Stepper engine drive valves systems recirculation OG |
Low or high voltage at terminals ”4E”, “4N”, “4K” of the control unit |
EGR valve, Short circuit to “+” or to ground, wire break between terminal “E” of the valve and “4E” of the control unit, Short circuit to “+” or to ground, wire break between terminal “A” of the valve and “4H” of the control unit, Short circuit to “+” or to ground, wire break between terminal “B” of the valve and “4K” of the control unit, Short circuit to “+” or to ground, wire break between terminal “F” of the valve and “4N” of the control unit,, Wire break between terminal "D" of the main relay and terminal "C" of the valve, Wire break between terminal "D" of the main relay and terminal "D" of the valve, Control unit. |
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Error code |
System or sensor |
Conditions for the occurrence of a malfunction |
Possible location of the malfunction |
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P0420 |
Low efficiency catalytic neutralizer |
Catalytic converter, Loose connection of exhaust system components, Loose oxygen sensor fastenings, Oxygen sensor before catalytic converter. |
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P0443 |
Electro fuel vapor recovery system pneumatic valve |
High or low voltage at the "4U" terminal of the control unit |
Electro Pneumatic valve of the fuel vapor recovery system, Short to ground of the wire between the terminal of the main relay and the terminal "B" of the electric pneumatic valves, Short circuit to ground, to “+” or break in the wire between terminal “A” of the electrical pneumatic valve and the "4U" output of the control unit, Connectors, Control unit. |
|
P0480 |
Cooling system fan relay #2 |
No change in voltage at terminal "4L" of the control unit at coolant temperature >100°C |
Cooling system fan relay #2, Wire break between fuse “FUSE” and terminal “E” of the relay, Short circuit to ground, to “+” or break in the wire between terminal “A” of relay No. 2 and terminal “4L” of the control unit, Connectors, Control unit. |
|
P0500 |
Speed sensor (models with manual transmission without ABS) |
No speed sensor signal when gear is engaged, load is more than 40% and crankshaft speed is more than 2000 rpm |
Speed sensor, Short circuit to ground, to “+” or open circuit in the wire between terminal “B” of the sensor and terminal “2L” of the control unit, Short circuit to ground, to “+” or open circuit in the wire between terminal “A” of the sensor and terminal “2I” of the control unit, Connectors, Control unit. |
|
P0505 |
Idle speed control valve |
The control unit cannot control the engine crankshaft speed. |
Idle speed control valve, Clogged air filter, The air intake system is not tight, Air conditioning system relay, Generator, Low end of compression stroke pressure, Control unit. |
|
P0506 |
Engine crankshaft speed is lower expected |
With the brake pedal depressed (brake pedal switch in the "ON" position) and the steering wheel in the straight-ahead position (power steering fluid pressure sensor in the "OFF" position), the engine speed is <100 rpm for 14 seconds (at atmospheric pressure less than 72.3 kPa (542 mmHg) or ambient temperature less than (-10)°C, the code P0506 is not stored) |
Idle speed control valve, Clogged air filter, Air intake system, Air Conditioner Relay Circuit, Generator, Electro fuel vapor accumulator pneumatic valve, Low compression, Control unit. |
|
P0507 |
The engine crankshaft speed is higher expected |
With the brake pedal depressed (brake pedal switch in the "ON" position) and the steering wheel in the straight-ahead position (power steering fluid pressure sensor in the "OFF" position), the engine speed is <200 rpm for 14 seconds (at atmospheric pressure less than 72.3 kPa (542 mmHg) or ambient air temperature less than (-10)°C, the code P0507 is not stored) |
Idle speed control valve, Incorrect installation or adjustment of the accelerator cable, Throttle valve, Vacuum hoses, Control unit. |
|
Code |
System or sensor |
Conditions for the occurrence of a malfunction |
Possible location of the malfunction |
|
P0511 |
Idle speed control valve |
If the voltage at the “4G” terminal of the control unit is higher or lower than the threshold* value when the valve is opened above 16-40%. * — The threshold value depends on the battery voltage and the control signal value |
Idle speed control valve, Short circuit to ground, to “+” or open circuit in the wire between terminal “A” of the valve and terminal “4G” of the control unit, Short circuit to ground, to “+” or open circuit in the wire between terminal “B” of the valve and terminal “4J” of the control unit, Connectors, Control unit. |
|
P0550 |
Sensor pressure working liquids amplifier helmsman management |
Low voltage at the "1Z" terminal of the control unit for more than 1 minute at a vehicle speed above 60 km/h and a coolant temperature above 60°C |
Power steering fluid pressure sensor, Short circuit to ground or open circuit in the wire between the sensor terminal and the “1Z” terminal of the control unit, Control unit. |
|
P0602 |
Block management. |
Control unit error |
Hardware error, Control unit. |
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P0610 |
Block management. |
Control unit error |
Hardware error, Control unit. |
|
P0661 |
Electro valve systems changes Geometry intake collector |
Low signal at the "4R" terminal of the control unit |
Electrovalve of the intake manifold geometry change system, Short circuit to ground or open circuit in the wire between terminal “A” of the electric pneumatic valve and terminal “4R” of the control unit, Open circuit in the wire between terminal “B” of the electric pneumatic valve and the terminal of the main relay, Connectors, Control unit. |
|
P0662 |
valve systems changes Geometry intake collector (VIS) |
High signal at the "4R" terminal of the control unit |
Intake manifold geometry change system valve , Short circuit to "+" wire between terminal " B" of the valve and terminal "4R" of the control unit, Connectors, Control unit. |
|
P0703 |
Switch brake lights |
There is no signal at the "1K" output of the control unit when accelerating / decelerating the vehicle more than 8 times |
Brake light switch, Short circuit to ground or open circuit in the wire between terminal “D” of the switch and terminal “1K” of the control unit, Wire break between terminal "B" of the switch and terminal Connectors, Control unit. |
|
P0704 |
Clutch pedal switch |
There is no signal at the "1R" output of the control unit when the vehicle is moving at a speed of less than 30 km/h more than 8 times |
Clutch pedal switch, Short circuit to ground or open circuit in the wire between terminal “B” of the switch and terminal “1R” of the control unit, Wire break between switch terminal and ground, Connectors, Control unit. |
|
P0850 |
Switch prohibitions launch |
There is no signal change at the "1W" output of the control unit when the vehicle is moving at a speed of more than 30 km/h and the clutch pedal is pressed more than 10 times |
Start inhibit switch, Short circuit to ground or open circuit in the wire between terminal “B” of the switch and terminal “1W” of the control unit, Wire break between terminal "A" of the switch and ground, Connectors, Control unit. |
|
R1410 |
feed system valve High Speed Air Valve (VAD) |
There is no change in the signal at the "4C" terminal of the control unit when the valve is set to the "ON" or "OFF" position. |
Variable Intake Manifold Deflection (VAD) valve, Short circuit to ground, to “+” or break in the wire between terminal “B” of the Valve and terminal “4C” of the control unit, Short to ground of the wire between terminal "A" of the Valve and the terminal of the main relay, Connectors, Control unit. |
|
R1562 |
Engine control unit supply voltage |
For 2 seconds, the supply voltage at the “2Z” terminal of the engine control unit is below 2.5 V |
Fuse "EEC", Short to ground or open circuit in the wire between the terminal of the fuse "EEC" and the terminal "2Z" of the control unit, Connectors, Control unit. |
|
Error code |
System or sensor |
Conditions for the occurrence of a malfunction |
Possible location of the malfunction |
|
R2006 |
system valve changes Geometry intake collector (VTCS) |
The valve is stuck in the closed position at a coolant temperature of >63°C, crankshaft speed of more than 3750 rpm and the throttle valve is open above the threshold* value. * — Maximum design load depends on crankshaft speed |
Coolant temperature sensor, Throttle Position Sensor, Crankshaft Position Sensor, Variable Valve Control System (VTCS) Valve , Variable Valve Control System (VTCS) actuator, Short circuit to ground in the wire between terminal "B" of the Valve and terminal "4T" of the control unit, Connectors, Control unit. |
|
R2009 |
system valve changes Geometry intake collector (VTCS) |
Low signal at the "4T" terminal of the control unit when the valve is set to the "OFF" position |
Short circuit to ground or open circuit in the wire between terminal "B" of the valve and terminal "4T" of the control unit, Open circuit in the wire between terminal "A" of the valve and the terminal of the main relay, Connectors, Control unit. |
|
R2010 |
Valve valve system changes Geometry intake collector (VTCS) |
High signal at the "4T" terminal of the control unit when the valve is set to the "ON" position |
Short to "+" between terminal "B" Valve and terminal "4T" of the control unit, Valve of the variable geometry system of the intake manifold (VTCS), Connectors, Control unit. |
|
R2228 |
Low signal sensor absolute pressure in inlet collector |
The voltage at the "1G" terminal of the control unit is less than 0.35 V |
Manifold Absolute Pressure Sensor, Short to ground or open circuit in wire between terminal "A" of sensor and terminal "1G" of control unit, Wire break between terminal “C” of the sensor and terminal “2K” of the control unit, Connectors, Control unit. |
|
R2229 |
High signal sensor absolute pressure in inlet collector |
The voltage at the "1G" terminal of the control unit is more than 4.92 V |
Absolute pressure sensor in the intake manifold, Short circuit to “+” or open circuit in the wire between terminal “A” of the sensor and terminal “2H” of the control unit, Wire break between terminal "B" of the sensor and terminal "1G" of the control unit, Connectors, Control unit. |
|
R2502 |
Generator |
Generator output voltage is higher than 17 V or battery voltage is less than 11 V |
Broken wire between terminal "B" of the generator and the positive terminal of the battery, Battery, Generator, Connectors, Control unit. |
|
R2503 |
Generator |
At current over 20 A, the generator output voltage is below 8.5 V |
Generator, Short circuit to ground or open circuit in the wire between the “P” terminal of the generator and the “1AA” terminal of the control unit, Short circuit to ground or open circuit in the wire between the generator terminal “D” and the control unit terminal “1AD”, Weakening or breakage of the alternator drive belt, Control unit. |
|
R2504 |
Recharging the battery |
Generator output voltage is higher than 18.5 V or battery voltage is higher than 16 V |
Short circuit to “+” of the wire between the “D” terminal of the generator and the “1AD” terminal of the control unit, Generator, Control unit. |
Immobilizer codes It is also possible to read using the system status indicator:
|
Fault code |
Malfunction |
Possible location/cause of malfunction |
|
|
Scanner |
Indicator anti- theft systems |
||
|
B1681 |
11 |
Incorrect signal from transponder antenna |
|
|
B2103 |
12 |
transponder antenna |
|
|
B1600 |
13 |
The key code does not reach the engine control unit |
|
|
B2431 |
The key code is not registered in the engine control unit |
Error while programming the key |
|
|
B1602 |
14 |
Incorrect key code |
|
|
B1601 |
15 |
Key code format error (voltage range, frequency) |
— Transmitter malfunction in the key |
|
B1213 |
21 |
The number of active keys is less than the minimum required number |
Less than two keys registered |
|
B1342 |
— |
— |
Engine control unit malfunction |