C1029 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C1029 – ABS Primary Circuit Pressure Lower Than Secondary


C1029 Possible Symptoms


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


C1029 Possible Causes


Faulty Anti-Lock Brake System (ABS) Module,Anti-Lock Brake System (ABS) Module harness is open or shorted,Anti-Lock Brake System (ABS) Module circuit poor electrical connection


C1029 Description


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