Category: OBDii Chassis Codes

C1245 Acceleration Sensor Output Malfunction Possible causes – Deceleration sensor – Deceleration sensor circuit – Brake actuator (skid control ECU)

C1246 ABS Outlet Valve Coil RR Circuit Failure

C1247 ABS Outlet Valve Coil RR Circuit Open

C1235 Foreign Object Attached On Tip Of Right Front Sensor Possible causes – Faulty Right Front Speed Sensor– Right Front Speed Sensor rotor– Sensor installation– Brake actuator (skid control ECU) Symptoms – ABS warning light ON C1235 OBD Code Description The speed sensor detects wheel speed and sends the appropriate signals to the ECU. These…

C1236 Foreign Object Attached On Tip Of Left Front Sensor Possible causes – Faulty Left Front Speed Sensor– Left Front Speed Sensor rotor– Sensor installation– Brake actuator (skid control ECU) Symptoms – ABS warning light ON C1236 OBD Code Description The speed sensor detects wheel speed and sends the appropriate signals to the ECU. These…

C1237 Speed Wheel Rear Input Signal Missing Possible causes – Faulty Rear ABS Sensor– Rear ABS Sensor harness is open or shorted– Rear ABS Sensor circuit poor electrical connection– Faulty Wheel Speed Sensor– Wheel bearing Trouble Code Description Symptoms – ABS light ON

C1238 Foreign Object Attached On Tip Of Right Rear Sensor Possible causes – Faulty Right Rear Speed Sensor– Right Rear Speed Sensor rotor– Sensor installation– Brake actuator (skid control ECU) Symptoms – ABS warning light ON C1238 OBD Code Description The speed sensor detects wheel speed and sends the appropriate signals to the ECU. These…

C1239 Foreign Object Attached On Tip Of Left Rear Sensor Possible causes – Faulty Left Rear Speed Sensor– Left Rear Speed Sensor rotor– Sensor installation– Brake actuator (skid control ECU) Symptoms – ABS warning light ON C1239 OBD Code Description The speed sensor detects wheel speed and sends the appropriate signals to the ECU. These…

C1240 ABS Hydraulic Pressure Differential Switch Input Short Circuit To Battery

C1241 Low Battery Positive Voltage Possible causes – Battery – Charging system – Power source circuit

C1242 ABS Outlet Valve Coil LR Circuit Failure

C1243 Acceleration Sensor Stuck Malfunction Possible causes – Deceleration sensor – Deceleration sensor circuit – Brake actuator (skid control ECU)

C1244 Open or Short in Deceleration Sensor Circuit Possible causes – Deceleration sensor – Deceleration sensor circuit – Brake actuator (skid control ECU)

C1232 Speed Wheel Sensor Rear Center Input Short Circuit To Battery

C1233 Left Front Wheel Speed Sensor Plausibility Fault Possible causes – Faulty Left Front ABS Sensor– Left Front ABS Sensor harness is open or shorted– Left Front ABS Sensor circuit poor electrical connection– Faulty Wheel Speed Sensor– Wheel bearing Symptoms – ABS light ON

C1234 Speed Wheel RF Input Signal Missing

C1224 Lamp Brake Warning Output Circuit Open

C1225 Lamp Brake Warning Output Circuit Short To Battery

C1226 Lamp Brake Warning Output Circuit Short To Ground

C1227 Speed Wheel Sensor LR Input Short Circuit To Battery