C14A5 – Output Circuit Unintended Current

C14A5 Possible Symptoms

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

C14A5 Possible Causes

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

C14A5 Description

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