C0805
Steering Angle Sensor Calibration
The chassis or stability control module reports that the steering angle sensor has not been calibrated or that the calibration data has been lost. ESP requires a calibrated zero position and is disabled until calibration is performed.
- Check engine light: Not always
- Emissions related: No
- Repair difficulty: easy
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Common causes
Ordered by how often each turns out to be the cause.
- Calibration required after battery disconnect or repairCommon
- Sensor lost calibration dataPossible
- Wheel alignment incorrect, blocking calibrationLess likely
Parts involved
- Steering Angle Sensor
- Esp Control Module
C0805 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.