U0236
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.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: hard
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
Common causes
Ordered by how often each turns out to be the cause.
- Sensor lost calibration after repairPossible
- Clockspring failedPossible
- Gateway module routing CAN messages incorrectlyLess likely
Parts involved
- Steering Angle Sensor
- Clockspring
- CAN Bus Wiring
U0236 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.