C1294 GMC – Brake Lamp Switch Circuit Always Active

C1294 GMC Possible Symptoms

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

C1294 GMC Possible Causes

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

C1294 GMC Description

The Electronic Brake Control Module (EBCM) monitors the Brake Lamp Switch. The EBCM sets the OBDII code when the Brake Lamp Switch is not to factory specifications.