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.
On vehicles with active rear wheel steering, the rear position sensor reports an electrical fault. The system disables rear steering.
Common causes
- high
Sensor failed
One of the most commonly reported causes for this code — check this first.
Typical part cost: $440-2200
- medium
Actuator harness chafe
A plausible cause — test and verify before replacing parts.
Typical part cost: $440-2200
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First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
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Related codes
See related trouble codes
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Frequently asked questions
What does C0450 mean?
C0450 means "Rear Wheel Steering Position Sensor Circuit". It is a generic OBD-II code that points to a fault in the chassis.
What are the most common causes of C0450?
sensor failed; actuator harness chafe — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.
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