OBD-II code · Chassis
C0051 Power Steering Position Sensor Performance
The chassis or power steering control module has detected that the steering position signal is implausible compared to vehicle motion. Stability control may be limited because correct yaw and slip-angle calculation depends on a valid steering angle.
Is it safe to drive with C0051?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelySteering angle sensor not calibrated after alignment or repair
- PossibleSteering angle sensor failed
- Less likelySignal path through clock spring degraded
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–2.5 h
- Emissions test
- Usually unaffected
- Parts involved
- Steering Angle Sensor, Power Steering Module, Chassis Control Module
Related codes
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.