AutoCodes - OBDII Code List - B0284 BUICK
B0284 BUICK - Electric Rear Defrost Circuit Range/Performance
Table of contents
Share:
B0284 BUICK 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 B0284 BUICK?
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.
How much do you know about cars?
Take the AutoCodes.com automotive tests and turbo-charge your car repair knowledge
Cost of diagnosing the B0284 BUICK code
Labor: 1.0
The cost of diagnosing the B0284 BUICK 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)
B0284 BUICK 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 B0284 BUICK code?Get Access to Factory Service Manuals
Need more help?
Get the B0284 Buick code diagnosed by a professional: Find a repair shop in your areaComments
Help us improve AutoCodes.com. Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the B0284 Buick code? Have you replaced any parts?Any information is appreciated. Thanks