B0284 BUICK - Electric Rear Defrost Circuit Range/Performance
B0284 BUICK Possible Causes
- Faulty Liftgate Module (LGM)
- Liftgate Module (LGM) harness is open or shorted
- Liftgate Module (LGM) circuit poor electrical connection
First diagnose B0284 BUICK code
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 terminals.
Cost of diagnosing the B0284 BUICK code
Labor: 1.0The cost of diagnosing the B0284 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.
B0284 BUICK Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B0284 BUICK MeaningThe 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.
B0284 BUICK More InformationNeed more information on how to fix the B0284 BUICK code?
Get Access to Factory Service Manuals