C14A1 Code: Meaning, Causes, and Symptoms | OBD2 Codes
C14A1 – Gain Rocker Switch Positive Circuit
C14A1 Possible Symptoms
Anti-Lock Brake System (ABS) Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)
C14A1 Possible Causes
Faulty Gain Rocker Switch,Gain Rocker Switch harness is open or shorted,Gain Rocker Switch circuit poor electrical connection,Faulty Trailer Brake Control ECU (Brake Control with Bracket Relay)
The Trailer Brake Control ECU monitors the Gain Rocker Switch. The Trailer Brake Control ECU sets the OBDII code when the Gain Rocker Switch is not to factory specifications.