AutoCodes - OBDII Code List - B0287 GMC
B0287 GMC - Electric Rear Defrost Circuit Open
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B0287 GMC Possible Causes
- Faulty Liftgate Module (LGM)
- Liftgate Module (LGM) harness is open or shorted
- Liftgate Module (LGM) circuit poor electrical connection
How do I fix code B0287 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.
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Cost of diagnosing the B0287 GMC code
Labor: 1.0
The cost of diagnosing the B0287 GMC code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B0287 GMC Description
The Liftgate Module (LGM) monitors the voltage level on the supply voltage circuit of the rear window defogger. The LGM test the supply voltage circuit of the rear window defogger every 160 milliseconds. With the rear window defogger inactive, the supply voltage circuit of the rear window defogger will have no voltage present. With the rear window defogger active, the supply voltage circuit of the rear window defogger will be near system voltage.
More Information
Need more information on how to fix the B0287 GMC code?Get Access to Factory Service Manuals
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