B3886 - Trailer Right Tail Lamp Circuit
B3886 Possible Causes
- Faulty Trailer Right Tail Lamp
- Trailer Right Tail Lamp harness is open or shorted
- Trailer Right Tail Lamp circuit poor electrical connection
- Faulty Trailer Lighting Control Module
How do I fix code B3886Check 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.
B3886 04 Trailer Right Tail Lamp Circuit Open
Cost of diagnosing the B3886 code
Labor: 1.0The cost of diagnosing the B3886 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.
- Engine Light ON (or Service Engine Soon Warning Light)
B3886 DescriptionThe Trailer Lighting Control Module receives a serial data message from the Body Control Module (BCM) indicating that the vehicle park lamps have been activated. The Trailer Lighting Control Module responds by applying battery voltage to the left and right trailer tail lamp control circuits illuminating the trailer tail lamps. The Diagnostic Trouble Code (DTC) sets when the Trailer Lighting Control Module detects a short to ground or an open/high resistance in the right trailer tail lamp control circuit.
B3886 More InformationNeed more information on how to fix the B3886 code?
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