License Plate Lamp Circuit
Table of contents
B3883 GMC Possible Causes
- Faulty License Plate Lamp
- License Plate Lamp harness is open or shorted
- License Plate Lamp circuit poor electrical connection
- Faulty Body Control Module (BCM)
How do I fix code B3883 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.
Tech Notes
- B3883 01 License Plate Lamp Circuit Short to Battery
- B3883 02 License Plate Lamp Circuit Short to Ground
- B3883 04 License Plate Lamp Circuit Open
Cost of diagnosing the B3883 GMC code
The cost of diagnosing the B3883 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)
B3883 GMC Description
When the headlamp switch is placed in the HEAD or PARK position, the ground is applied to the park lamp switch ON signal circuit to the body control module (BCM). The BCM responds by applying a voltage to the park lamps, tail lamps, and license lamps control circuits illuminating the park, tail, and license lamps. The Diagnostic Trouble Code (DTC) sets when the BCM detects a short to voltage or an open/high resistance in the license lamps control circuit.