Electric Rear Defrost Circuit Malfunction
Table of contents
B0283 CADILLAC 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 B0283 CADILLAC?
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.
Cost of diagnosing the B0283 CADILLAC code
The cost of diagnosing the B0283 CADILLAC 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.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B0283 CADILLAC 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.