C14A7 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C14A7 – ECU Malfunction


C14A7 Possible Symptoms


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


C14A7 Possible Causes


Faulty Trailer Brake Control ECU,Trailer Brake Control ECU harness is open or shorted,Trailer Brake Control ECU circuit poor electrical connection


C14A7 Description


The Trailer Brake Control ECU monitors itself. The Trailer Brake Control ECU sets the OBDII code when it detects an internal malfunction.