What does code C0063 mean?

Q: What does code C0063 mean?

Right Rear Wheel Speed Sensor Circuit High. C0063 indicates the anti-lock brake system (ABS) control module has detected an abnormally high voltage on the right rear wheel speed sensor circuit, which usually means the sensor signal is missing, shorted to power, or the circuit is open. The module sets this code when the signal voltage exceeds the expected range for the current wheel speed, often because the sensor is unplugged or damaged.

DTC codes / C00xx · Brakes, steering and suspension / C0063

C0063Right Rear Wheel Speed Sensor Circuit High

C0063 indicates the anti-lock brake system (ABS) control module has detected an abnormally high voltage on the right rear wheel speed sensor circuit, which usually means the sensor signal is missing, shorted to power, or the circuit is open. The module sets this code when the signal voltage exceeds the expected range for the current wheel speed, often because the sensor is unplugged or damaged.

SystemChassis

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaBrakes, steering and suspension

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.