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Engine-Codes – GMC – B2587 GMC

B2587 GMC Code - Column Lock/Unlock Drive 'A'

Quick Answer

The B2587 GMC diagnostic trouble code indicates an issue with the column lock/unlock drive 'A' in the vehicle. Common causes include Faulty column lock/unlock drive 'A' motor, Wiring issues or electrical faults in the system, Mechanical problems with the steering column mechanism. 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
B2587 GMC indicates Column Lock/Unlock Drive 'A'.
Common causes
Common causes include Faulty column lock/unlock drive 'A' motor, Wiring issues or electrical faults in the system, Mechanical problems with the steering column mechanism.
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 B2587 GMC Description

The B2587 GMC diagnostic trouble code indicates an issue with the column lock/unlock drive 'A' in the vehicle. This system is responsible for locking and unlocking the steering column, which is crucial for the proper operation and safety of the vehicle. When this code is triggered, it means that there is a malfunction in the column lock/unlock drive 'A' system, which can lead to various issues with the steering column.

OBDII Code B2587 GMC - Column Lock/Unlock Drive 'A'
B2587 GMC Code - Column Lock/Unlock Drive 'A'

Common Causes of B2587 GMC

  1. Faulty column lock/unlock drive 'A' motor.
  2. Wiring issues or electrical faults in the system.
  3. Mechanical problems with the steering column mechanism.
  4. Software or programming issues in the vehicle's control module.

Symptoms of B2587 GMC

  1. Steering wheel is difficult to turn or feels stuck in one position.
  2. Steering column does not lock or unlock properly.
  3. Difficulty starting the vehicle.
  4. Ignition switch issues.

How to Fix B2587 GMC

  1. Diagnose the specific cause of the issue using a diagnostic scanner to pinpoint the malfunctioning component.
  2. Inspect the wiring and electrical connections in the column lock/unlock drive 'A' system for any damage or loose connections.
  3. Replace the faulty column lock/unlock drive 'A' motor or any other defective components.
  4. Clear the trouble code from the vehicle's computer system and test the steering column to ensure proper operation.
  5. Reset any related systems or perform a relearn procedure if necessary to recalibrate the column lock/unlock drive 'A' system.

Cost to Fix B2587 GMC

The typical repair costs for addressing the B2587 GMC code can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of parts for replacing a faulty column lock/unlock drive 'A' motor can range from $100 to $300, while labor costs can range from $80 to $150 per hour. Overall, the total repair cost for this issue can range from $200 to $500 or more, depending on the complexity of the repair process and any additional components that may need to be replaced. It's important to note that the actual diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate.

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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 B2587 GMC Code

1. What are the common symptoms of OBDII code B2587 GMC (Column Lock/Unlock Drive 'A')?

- The common symptoms include difficulty turning the key in the ignition, steering column locking or unlocking unexpectedly, or a warning light on the dashboard related to the steering system.

2. What are the possible causes of OBDII code B2587 GMC?

- The code B2587 GMC can be triggered by issues with the steering column lock mechanism, faulty wiring, a defective steering column lock actuator, or a problem with the Body Control Module (BCM).

3. How can I diagnose the cause of OBDII code B2587 GMC?

- To diagnose the issue, you can start by checking the wiring harness connected to the steering column lock actuator, inspecting the steering column lock mechanism for any obstructions, and using a diagnostic scan tool to read the specific fault codes stored in the system.

4. What are some repair tips for fixing OBDII code B2587 GMC?

- Repairing the B2587 code may involve fixing or replacing the steering column lock actuator, repairing any damaged wiring, recalibrating the steering column lock system, or updating the software in the Body Control Module (BCM).

5. Can I drive my vehicle with OBDII code B2587 GMC active?

- It is not recommended to drive the vehicle with an active B2587 GMC code as it may lead to steering column malfunctions, potentially causing safety hazards while driving.

6. How much does it typically cost to repair OBDII code B2587 GMC?

- The cost of repairing the B2587 GMC code can vary depending on the specific cause of the issue, but it may range from $200 to $600, including parts and labor.

7. Can I reset OBDII code B2587 GMC without fixing the underlying issue?

- While you can clear the fault code using a diagnostic scan tool, it is crucial to address the underlying problem causing the B2587 GMC code to prevent further issues with the steering column.

8. Is OBDII code B2587 GMC specific to certain GMC models?

- The B2587 GMC code is specific to certain GMC models equipped with an OBDII system and a steering column lock mechanism, so it may not apply to all GMC vehicles.

9. How long does it take to repair OBDII code B2587 GMC?

- The repair time for the B2587 GMC code can vary depending on the complexity of the issue and the availability of parts, but it may take anywhere from 1 to 3 hours to complete the repair.

10. Can I prevent OBDII code B2587 GMC from recurring in the future?

- To prevent the B2587 GMC code from recurring, it is essential to perform regular maintenance on the steering column lock system, address any issues promptly, and follow the manufacturer's recommended service schedule.

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