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Home >> Lexus >> 2009 >> LS 460L AWD >> Repair and Diagnosis (Single Page) >> Steering >> Steering Column >> Steering Column >> Variable Gear Ratio Steering System >> DTC C15C1/74 Steering Angle Sensor Malfunction; DTC C15C2/74 Steering Angle Sensor B+ Malfunction >> Description

DTC C15C1/74 Steering Angle Sensor Malfunction; DTC C15C2/74 Steering Angle Sensor B+ Malfunction: Description

The steering control ECU detects a steering angle sensor malfunction by receiving an error signal from the steering angle sensor via CAN communication. If the steering control ECU detects this error signal, it will turn the master warning light on, store these DTCs, and stop VGRS operation.

DTC CHART

DTC Code Detection Condition Trouble Area
C15C1/74 The steering control ECU receives a steering angle sensor malfunction signal via CAN communication
  • Steering angle sensor
  • CAN communication system
  • Steering control ECU
C15C2/74 The steering control ECU receives a B+ open circuit signal from the steering angle sensor via CAN communication
  • Steering angle sensor
  • CAN communication system
  • Steering control ECU