C0046 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C0046 – Brake Pressure Sensor ‘A’/’B’


C0046 Possible Symptoms


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


C0046 Possible Causes


Faulty Brake Pressure Sensor ‘A’ or ‘B’,Brake Pressure Sensor ‘A’ or ‘B’ harness is open or shorted,Brake Pressure Sensor ‘A’ or ‘B’ circuit poor electrical connection


C0046 Description


The Anti-Lock Brake System (ABS) Module monitors the Brake Pressure Sensors. The ABS Module sets the OBDII code when the Brake Pressure Sensors are not to factory specifications.