Open Brake Lamp Switch Contacts During Deceleration
Table of contents
C1291 BUICK Possible Causes
- Faulty Brake Lamp Switch
- Brake Lamp Switch harness is open or shorted
- Brake Lamp Switch circuit poor electrical connection
How do I fix code C1291 BUICK?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the C1291 BUICK code
The cost of diagnosing the C1291 BUICK code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Anti-Lock Brake System (ABS) Warning Light ON
- Engine Light ON (or Service Engine Soon Warning Light)
C1291 BUICK Description
The stop lamp switch signal informs the Electronic Brake Control Module (EBCM) when the brake pedal is pressed. The EBCM sets the OBDII code when the Brake Lamp Switch is not to factory specifications.