LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2008 >> LS 460L >> Repair and Diagnosis >> Brakes >> Traction Control >> Brake Control >> Electronically Controlled Brake System >> DTC C1231/31 Steering Angle Sensor Circuit Malfunction >> Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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 CHART

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