FixVault

DTC C1231/31 Steering Angle Sensor Circuit Malfunction: Description

The steering angle sensor signal is sent to the skid control ECU via the CAN communication system. When there is a malfunction in the CAN communication system, it will be detected by the diagnosis function.

DTC DETECTION CONDITION

DTC Code Information Code DTC Detection Condition Trouble Area
C1231/31 - When ECU IG terminal voltage is 10 v or more, the steering angle sensor malfunction signal is received.
  • Steering angle sensor
  • Steering angle sensor circuit Steering angle sensor power supply
  • Skid control ECU