C1049 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C1049 – Right Rear Wheel Pressure Phase Monitoring


C1049 Possible Symptoms


Anti-Lock Brake System (ABS) Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)


C1049 Possible Causes


Dirty Right Rear Tone Wheel,Dirty Right Rear Wheel Speed Sensor (WSS),Faulty Right Rear Wheel Speed Sensor (WSS),Right Rear Wheel Speed Sensor (WSS) harness is open or shorted,Right Rear Wheel Speed Sensor (WSS) circuit poor electrical connection,Damage Right Rear Tone Wheel,Faulty Anti-Lock Brake System (ABS) Module


C1049 Description


The Anti-Lock Brake System (ABS) Module monitors the Right Rear Wheel Pressure Phase. The ABS Module sets the OBDII if the ABS Module detects a pressure reduction phase and the following pressure hold phase is too long.