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B0287 Chevrolet Code - Electric Rear Defrost Circuit Open

Quick Answer

The B0287 code for Chevrolet vehicles indicates that there is an issue with the electric rear defrost circuit being open. Common causes include Damaged or broken wiring in the rear defrost circuit, Corrosion on the rear defroster grid or connectors, Faulty rear defrost relay or switch. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means
B0287 Chevrolet indicates Electric Rear Defrost Circuit Open.
Common causes
Common causes include Damaged or broken wiring in the rear defrost circuit, Corrosion on the rear defroster grid or connectors, Faulty rear defrost relay or switch.
Severity
Low - monitor the vehicle and repair when practical.
Can I drive?
The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
What is this?
Table of contents Created and updated by William Orellana on Sep 13, 2024
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Code B0287 Chevrolet Description

The B0287 code for Chevrolet vehicles indicates that there is an issue with the electric rear defrost circuit being open. This means that there is a break or interruption in the circuit that controls the rear defroster, preventing it from functioning properly. The rear defroster is a crucial component for maintaining visibility out of the rear window in cold or humid conditions by clearing away frost, ice, or condensation.

OBDII Code B0287 Chevrolet - Electric Rear Defrost Circuit Open
B0287 Chevrolet Code - Electric Rear Defrost Circuit Open

Common Causes of B0287 Chevrolet

  1. Damaged or broken wiring in the rear defrost circuit.
  2. Corrosion on the rear defroster grid or connectors.
  3. Faulty rear defrost relay or switch.
  4. Loose or disconnected wiring connections in the circuit.
  5. Defective rear defroster control module.

Symptoms of B0287 Chevrolet

  1. Rear window does not clear of frost, ice, or condensation when rear defroster is activated.
  2. Rear defroster grid lines on rear window appear damaged or disconnected.
  3. Rear defroster indicator light on the dashboard remains illuminated.
  4. Rear defroster works intermittently or only on certain sections of the rear window.

How to Fix B0287 Chevrolet

  1. Begin by visually inspecting the rear defroster wiring, connectors, and grid lines for any signs of damage or corrosion.
  2. Use a multimeter to test the continuity of the rear defrost circuit to identify any breaks or interruptions.
  3. Check the rear defrost relay and switch for proper operation and replace if necessary.
  4. Repair or replace any damaged wiring or connectors in the circuit.
  5. Reset the vehicle's computer system to clear the B0287 code and test the rear defroster to ensure proper functionality.

Cost to Fix B0287 Chevrolet

The cost of repairing the B0287 code for Chevrolet vehicles can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of parts for this repair can range from $50 to $200, while labor costs can range from $100 to $300. Overall, the total repair cost for addressing an electric rear defrost circuit open issue typically falls between $150 and $500. It's important to note that these are rough estimates, and actual costs may vary based on factors such as location, vehicle make and model, and the shop's labor rates. It's recommended to obtain quotes from multiple auto repair shops to compare prices and ensure a fair deal.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B0287 Chevrolet Code

1. What are the common symptoms of OBDII code B0287 in a Chevrolet indicating an Electric Rear Defrost Circuit Open?

The common symptoms include the rear defrost not working, the rear window not clearing frost or fog properly, and a warning light on the dashboard.

2. What are the possible causes of OBDII code B0287 in a Chevrolet?

Possible causes include a damaged rear defrost grid, a blown fuse, a faulty rear defrost relay, or loose/corroded electrical connections.

3. How can I diagnose OBDII code B0287 in my Chevrolet?

You can start by visually inspecting the rear defrost grid for any damage, checking the fuse related to the rear defrost, testing the rear defrost relay, and inspecting the electrical connections for any issues.

4. Can I repair OBDII code B0287 in my Chevrolet myself?

Depending on the cause, you may be able to repair it yourself by replacing a damaged rear defrost grid, a blown fuse, a faulty relay, or fixing any loose/corroded connections.

5. Is it safe to continue driving with OBDII code B0287 in a Chevrolet?

While it may not affect the drivability of the vehicle, it is recommended to get it repaired to ensure proper visibility through the rear window, especially in adverse weather conditions.

6. How much does it typically cost to repair OBDII code B0287 in a Chevrolet?

The cost can vary depending on the cause of the issue and whether you choose to repair it yourself or take it to a professional. Costs may range from a few dollars for a fuse to a couple of hundred dollars for a new rear defrost grid.

7. Can extreme weather conditions cause OBDII code B0287 in a Chevrolet?

Extreme weather conditions can exacerbate existing issues with the rear defrost system, leading to the circuit being open and triggering the OBDII code B0287.

8. Will resetting the OBDII code B0287 in a Chevrolet make the problem go away?

Resetting the code may temporarily turn off the warning light, but it will not fix the underlying issue causing the Electric Rear Defrost Circuit Open.

9. How long does it typically take to repair OBDII code B0287 in a Chevrolet?

The repair time can vary based on the cause of the issue and your level of experience. Simple fixes like replacing a fuse can be done quickly, while more complex repairs may take longer.

10. Does OBDII code B0287 affect the overall performance of a Chevrolet vehicle?

While OBDII code B0287 specifically relates to the rear defrost system, ensuring all systems in your vehicle are functioning correctly is important for overall performance and safety.

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