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Engine-Codes – Generic – B3287

B3287 Code - Left Rear Window Express Up or Down Circuit Low

Quick Answer

The B3287 diagnostic trouble code (DTC) refers to an issue with the Left Rear Window Express Up or Down Circuit being low. Common causes include Faulty left rear window switch, Damaged wiring or connectors in the circuit, Malfunctioning left rear window motor. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
B3287 indicates Left Rear Window Express Up or Down Circuit Low.
Common causes
Common causes include Faulty left rear window switch, Damaged wiring or connectors in the circuit, Malfunctioning left rear window motor.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 13, 2024
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Code B3287 Description

The B3287 diagnostic trouble code (DTC) refers to an issue with the Left Rear Window Express Up or Down Circuit being low. This code indicates that there is a problem with the circuit that controls the left rear window's express up or down function. The express up or down feature allows the window to be quickly raised or lowered with a single touch of the button, providing convenience for the driver and passengers.

OBDII Code B3287 - Left Rear Window Express Up or Down Circuit Low
B3287 Code - Left Rear Window Express Up or Down Circuit Low

Common Causes of B3287

  1. Faulty left rear window switch.
  2. Damaged wiring or connectors in the circuit.
  3. Malfunctioning left rear window motor.
  4. Issue with the control module responsible for the express up or down function.
  5. Water damage or corrosion affecting the circuit components.

Symptoms of B3287

  1. Left rear window does not respond to express up or down commands.
  2. Inability to quickly raise or lower the left rear window with a single touch.
  3. Unusual noises coming from the left rear window when attempting to use the express feature.
  4. Window moves slowly or intermittently when using the express function.

How to Fix B3287

  1. Begin by inspecting the left rear window switch for any visible damage or signs of wear. Replace the switch if necessary.
  2. Check the wiring and connectors in the circuit for any breaks, fraying, or corrosion. Repair or replace damaged components.
  3. Test the left rear window motor to ensure it is functioning correctly. Replace the motor if it is found to be faulty.
  4. Verify the operation of the control module for the express up or down function. Replace the module if it is malfunctioning.
  5. Clear the DTC from the vehicle's system using a diagnostic tool to reset the error code and test the left rear window's express feature for proper functionality.

Cost to Fix B3287

The typical repair costs for addressing the B3287 code can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of parts such as a new window switch, wiring components, window motor, or control module can range from $50 to $200 or more. Labor costs at auto repair shops typically range from $80 to $150 per hour, and the total repair bill can amount to several hundred dollars.

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Code B3287 Information for Specific Makes

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 B3287 Code

1. What are the common symptoms of OBDII code B3287?

The common symptoms of OBDII code B3287 include the left rear window being unable to operate in the express up or down mode, or the window not responding at all.

2. What can cause the OBDII code B3287 to trigger?

The OBDII code B3287, indicating a Left Rear Window Express Up or Down Circuit Low, can be triggered by issues such as a faulty window switch, damaged wiring, or a malfunctioning window motor.

3. How can I troubleshoot the OBDII code B3287 on my own?

To troubleshoot the OBDII code B3287, you can start by checking the window switch for proper functionality, inspecting the wiring for any damage, and testing the window motor for proper operation.

4. Can a blown fuse cause the OBDII code B3287 to appear?

Yes, a blown fuse related to the left rear window circuit can cause the OBDII code B3287 to appear. Checking and replacing any blown fuses should be part of the diagnostic process.

5. Is it safe to continue driving with the OBDII code B3287 present?

It is generally safe to continue driving with the OBDII code B3287 related to the left rear window circuit. However, it is recommended to address the issue promptly to ensure proper functionality of the window.

6. Are there any quick fixes for the OBDII code B3287?

Quick fixes for the OBDII code B3287 may include checking and resetting the window switch, ensuring all connections are secure, and replacing any blown fuses. If the issue persists, further diagnostics may be necessary.

7. Can weather conditions affect the triggering of OBDII code B3287?

Extreme weather conditions, such as heavy rain or extreme cold, can potentially impact the triggering of OBDII code B3287 by causing electrical components to malfunction. Inspecting the window circuit during such conditions may help identify the issue.

8. How much does it typically cost to repair OBDII code B3287?

The cost of repairing OBDII code B3287 can vary depending on the root cause of the issue. It may range from a simple fuse replacement costing a few dollars to more complex repairs involving window motor or wiring replacement, which can cost several hundred dollars.

9. Can resetting the vehicle's computer clear the OBDII code B3287?

Resetting the vehicle's computer may temporarily clear the OBDII code B3287, but if the underlying issue causing the code is not addressed, it is likely to reappear. It is recommended to diagnose and fix the root cause of the problem.

10. Is professional help necessary to fix the OBDII code B3287?

While some basic troubleshooting can be done by DIY enthusiasts, professional help may be necessary to accurately diagnose and repair the OBDII code B3287, especially if it involves complex electrical components or wiring issues.

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