C14A4 Code: Meaning, Causes, and Symptoms | OBD2 Codes
C14A4 – Output Circuit Temperature High / Over Current
C14A4 Possible Symptoms
Anti-Lock Brake System (ABS) Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)
C14A4 Possible Causes
Faulty Trailer Brake Control ECU (Brake Control with Bracket Relay),Trailer Brake Control ECU (Brake Control with Bracket Relay) harness is open or shorted,Trailer Brake Control ECU (Brake Control with Bracket Relay) circuit poor electrical connection
C14A4 Description
The Trailer Brake Control ECU (Brake Control with Bracket Relay) is connected via the trailer socket and direct line. The Trailer Brake Control ECU (Brake Control with Bracket Relay) outputs a signal to the trailer socket. Trailer Brake Control ECU (Brake Control with Bracket Relay) sets the OBDII code when the output circuit temperature is not to factory specifications.