B0286 BUICK - Electric Rear Defrost Circuit High

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What does this mean?

B0286 BUICK Possible Causes

  • Faulty Liftgate Module (LGM)
  • Liftgate Module (LGM) harness is open or shorted
  • Liftgate Module (LGM) circuit poor electrical connection

Cost of diagnosing the B0286 BUICK code

    Labor: 1.0

    The cost of diagnosing the B0286 BUICK code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

B0286 BUICK Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

B0286 BUICK Meaning

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.
OBDII Code B0286 BUICK - Electric Rear Defrost Circuit High - Engine-Codes.com

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