What does code C0043 mean?

Q: What does code C0043 mean?

Right Front Wheel Speed Sensor Circuit High. C0043 means the anti-lock brake system (ABS) module has detected an abnormally high voltage on the right front wheel speed sensor circuit, which usually indicates an open circuit, a short to voltage, or a sensor that is not producing a proper signal. The computer expects the sensor to pull the signal line to a specific voltage range as the wheel turns, and a high reading tells it the circuit is not behaving as designed.

DTC codes / C00xx · Brakes, steering and suspension / C0043

C0043Right Front Wheel Speed Sensor Circuit High

C0043 means the anti-lock brake system (ABS) module has detected an abnormally high voltage on the right front wheel speed sensor circuit, which usually indicates an open circuit, a short to voltage, or a sensor that is not producing a proper signal. The computer expects the sensor to pull the signal line to a specific voltage range as the wheel turns, and a high reading tells it the circuit is not behaving as designed.

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.