AutoCodes - OBDII Code List - B0285 CADILLAC

B0285 CADILLAC - Electric Rear Defrost Circuit Low

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3    What is this?
Table of contents

B0285 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 B0285 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.
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Cost of diagnosing the B0285 CADILLAC code

Labor: 1.0

The cost of diagnosing the B0285 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)

B0285 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.
OBDII Code B0285 Cadillac - Electric Rear Defrost Circuit Low - AutoCodes.com

More Information

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