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DTC C1231/31 Steering Angle Sensor Circuit Malfunction: Description

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

DTC TROUBLE DETECTION CHART

DTC No. DTC Detecting Condition Trouble Area
C1231/31 When ECU IG1 terminal voltage is 10 V or more, the steering angle sensor malfunction signal is received.
  • Steering angle sensor
  • Steering angle sensor circuit
  • CAN communication system