FixVault

DTC C1231/31 Steering Angle Sensor Circuit Malfunction: Description

The steering 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 is detected by the steering sensor zero point malfunction diagnostic function.

DTC DETECTION CONDITION AND TROUBLE AREA

DTC No. DTC Detection Condition Trouble Area
C1231/31 When IG1 terminal voltage 9.5 V or more, steering angle sensor malfunction signal received.
  • Steering sensor
  • Steering sensor circuit
  • Steering sensor power supply
  • CAN communication system