C1043 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C1043 – Left Rear Tone Wheel Performance

 

C1043 Possible Symptoms

 

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

 

C1043 Possible Causes

 

Dirty Left Rear Tone Wheel,Dirty Left Rear Wheel Speed Sensor (WSS),Faulty Left Rear Wheel Speed Sensor (WSS),Left Rear Wheel Speed Sensor (WSS) harness is open or shorted,Left Rear Wheel Speed Sensor (WSS) circuit poor electrical connection,Damage Left Rear Tone Wheel

 

C1043 Description

 

The Anti-Lock Brake System (ABS) Module monitors the Left Rear Wheel Speed Sensor (WSS). The ABS Module sets the OBDII code when detects periodic drops of a Left Rear WSS signal.