Lost Communication with Steering Angle Sensor Module
The ESP / power steering controller has lost the steering angle sensor. ESP is deactivated and lane-keeping assistance is disabled.
Affected components
- Steering angle sensor
- Clockspring
- Can bus wiring
Common causes
- Medium likelihood: Sensor lost calibration after repair
- Medium likelihood: Clockspring failed
- Low likelihood: Gateway module routing CAN messages incorrectly
Possible symptoms
- Multiple warning lights may illuminate
- Affected modules may go into limp mode or shut down
- Specific functions inoperative depending on module
- Diagnostic tools may show communication faults
Diagnostic notes
- The malfunction indicator lamp may illuminate
- Reduced-power or limp mode may occur
Related codes
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.