Fault code lookup

Results for “C121”

Fault codes 33

Results match keywords in the stored descriptions. Codes you typed are shown first.

CodeDescriptionBrandsSystem
C1210Fault - engine in running status29Chassis
C1211Attempt to restart assist at high speed29Chassis
C1212Vehicle speed signal not received26Chassis
C1213Seat squab adjustment switch - passenger's20Chassis
C1214C1215 Memory switch position 1/2 - passenger's14Chassis
C1215C1214/ Memory switch position 1/2 - passenger's21Chassis
C1216Memory switch position 3 - passenger's22Chassis
C1217Pump motor shorted to ground21Chassis
C1218Massage switch - passenger's16Chassis
C1219Memory set switch - passenger's18Chassis
Show 15 more matches on this page
CodeDescriptionBrandsSystem
C121AClose the routine. Turn off the key for 10 s and clear the DTC -547Chassis
C121Bmotor drive circuit2Chassis
C121CSoftware configuration invalid10Chassis
C121DControl Module Improper Shutdown10Chassis
C121ERAM check error11Chassis
C121FIf CAN signals are not entered from the door module at the passenger's seat that controls the side mirror (indicator) in the passenger's seat, BSD ECU sets DTC and turns off BSD switch LED and inhibits system operation11Chassis
C121000Vacuum Consumption Monitoring fault2Chassis
C121100electrical monitoring of the sensor 2 in the vacuum chamber, i.e. signal is out of Range2Chassis
C121108The SCC Module sets DTC when it received abnormal Wheel Speed Sensor(Right Rear) CAN message from ESP(ESC) via CAN1Chassis
C121200Nullpunktoffset des Drucksignals P22Chassis
C121302Wheel speed sensor error1Chassis
C121586While communicating with the ABS/TCS/ESP modules via CAN, if an undefined vehicle speed signal is received from them, the LKAS module generates the fault code and turns on the Malfunction Indicator Lamp1Chassis
C121587If a signal is received from TCU in irregular cycle via CAN lines, the LKAS module generates the fault code and turns on the Malfunction Indicator Lamp1Chassis
C121800The steering angle sensor has a malfunction.1Chassis
C121804Lenkradwinkelsensor Interner Fehler - System Internal Failures1Chassis
CodeDescriptionBrandsSystem
C121AClose the routine. Turn off the key for 10 s and clear the DTC -547Chassis
C121Bmotor drive circuit2Chassis
C121CSoftware configuration invalid10Chassis
C121DControl Module Improper Shutdown10Chassis
C121ERAM check error11Chassis
C121FIf CAN signals are not entered from the door module at the passenger's seat that controls the side mirror (indicator) in the passenger's seat, BSD ECU sets DTC and turns off BSD switch LED and inhibits system operation11Chassis
C121000Vacuum Consumption Monitoring fault2Chassis
C121100electrical monitoring of the sensor 2 in the vacuum chamber, i.e. signal is out of Range2Chassis
C121108The SCC Module sets DTC when it received abnormal Wheel Speed Sensor(Right Rear) CAN message from ESP(ESC) via CAN1Chassis
C121200Nullpunktoffset des Drucksignals P22Chassis
C121302Wheel speed sensor error1Chassis
C121586While communicating with the ABS/TCS/ESP modules via CAN, if an undefined vehicle speed signal is received from them, the LKAS module generates the fault code and turns on the Malfunction Indicator Lamp1Chassis
C121587If a signal is received from TCU in irregular cycle via CAN lines, the LKAS module generates the fault code and turns on the Malfunction Indicator Lamp1Chassis
C121800The steering angle sensor has a malfunction.1Chassis
C121804Lenkradwinkelsensor Interner Fehler - System Internal Failures1Chassis
Advanced: scanner vehicle and live-data matches

Vehicles 2

Vehicle data covers only some brands. These matches come from scanner data, not from a full vehicle index, so treat them as approximate.

BrandModel / variantDetails
VolkswagenC1215 Memory switch position 1/2 - passenger'scode C1214
VolkswagenC1214/ Memory switch position 1/2 - passenger'scode C1215

Live data 0

No matching live-data parameters.

These tables come from diagnostic data. They are useful for advanced users and can be ignored for a normal code lookup.

OpenDTC - independent fault code reference