Door Unlock Switch Circuit
Table of contents
B3272 GMC Possible Causes
- Faulty Driver Door Lock Switch
- Driver Door Lock Switch harness is open or shorted
- Driver Door Lock Switch circuit poor electrical connection
- Faulty Passenger Door Lock Switch
- Faulty Body Control Module (BCM)
How do I fix code B3272 GMC?
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 B3272 GMC code
The cost of diagnosing the B3272 GMC 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
- Engine Light ON (or Service Engine Soon Warning Light)
B3272 GMC Description
The door lock switch provides a direct ground input to the Body Control Module (BCM) when the door lock switch is activated to the unlock position. This input is used by the BCM to control the door locks. The Diagnostic Trouble Code (DTC) sets when the BCM no longer detects the short to ground in the driver door lock switch signal circuit for greater than 60 seconds.