C1091 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C1091 – ABS Brake Lamp Control Circuit High


C1091 Possible Symptoms


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


C1091 Possible Causes


Faulty ABS Brake Lamp,ABS Brake Lamp harness is open or shorted,ABS Brake Lamp circuit poor electrical connection


C1091 Description


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