OBD-II code · Chassis
C0450 Rear Wheel Steering Position Sensor Circuit
On vehicles with active rear wheel steering, the rear position sensor reports an electrical fault. The system disables rear steering.
Is it safe to drive with C0450?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelySensor failed
- PossibleActuator harness chafe
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1.5–5 h
- Emissions test
- Usually unaffected
- Parts involved
- Rear Steering Position Sensor, Rear Steering Actuator
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.