Engine-Codes - Chevrolet - B0283 Chevrolet

B0283 Chevrolet Code - Electric Rear Defrost Circuit Malfunction

- Code Popularity: 6,158 Views
- Repair Importance Level: 1/3
- Repair Difficulty Level: 2/3
Table of contents

|What are the Possible Causes of the Code B0283 Chevrolet?

  • Faulty Rear Defogger Relay
  • Rear Defogger Relay harness is open or shorted
  • Rear Defogger Relay circuit poor electrical connection
  • Faulty Heating, Ventilation, and Air Conditioning (HVAC) Control Module

|How to Fix the B0283 Chevrolet Code?

Start by checking 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.

|What is the Cost to Diagnose the Code B0283 Chevrolet?

Labor: 1.0

The cost to diagnose the B0283 Chevrolet 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.

Does your car have Safety Recalls? → Check here

|What are Code B0283 Chevrolet Possible Symptoms?

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

|What Does the B0283 Chevrolet Code Mean?

When the rear heated rear window switch is pressed and the engine is running, the rear window defogger grid will activate and will turn off automatically depending upon the vehicle's speed. The Heating, Ventilation, and Air Conditioning (HVAC) Control Module monitors the voltage level on the supply voltage circuit of the rear window defogger. The HVAC tests 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 the system voltage.

Electric Rear Defrost Circuit Malfunction

|Need more Information on the B0283 Chevrolet Code?

Need more information on how to fix the B0283 Chevrolet code? Get Access to Factory Service Manuals

|Need Help with the B0283 Chevrolet Code?

Get the B0283 Chevrolet code diagnosed by a professional: Find a repair shop in your area