Engine-CodesGMC – C0587 GMC

C0587 GMC Code - Left Rear Solenoid Circuit Low

Quick Answer

The C0587 GMC code indicates a problem with the left rear solenoid circuit being detected as low. Common causes include Wiring issues, Faulty solenoid, Damaged connector. 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
C0587 GMC indicates Left Rear Solenoid Circuit Low.
Common causes
Common causes include Wiring issues, Faulty solenoid, Damaged connector.
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.
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code C0587 GMC Description

The C0587 GMC code indicates a problem with the left rear solenoid circuit being detected as low. In modern vehicles, solenoids play a crucial role in the operation of various systems, including the transmission, braking, and suspension. In this case, the left rear solenoid circuit being low means that there is an issue with the electrical signal or voltage in that specific circuit. The solenoid may not be receiving the proper amount of power, which can lead to malfunctions in the corresponding system.

OBDII Code C0587 GMC - Left Rear Solenoid Circuit Low
C0587 GMC Code - Left Rear Solenoid Circuit Low

Common Causes of C0587 GMC

  1. Wiring issues
  2. Faulty solenoid
  3. Damaged connector
  4. Problem with the control module

Symptoms of C0587 GMC

  1. Soft brake pedal
  2. Longer stopping distances
  3. Rough ride
  4. Difficulty maintaining control of the vehicle

How to Fix C0587 GMC

  1. Perform a visual inspection of the wiring and connectors to check for any visible damage.
  2. Test the solenoid for proper functionality using a multimeter.
  3. Replace the solenoid if it is found to be faulty.
  4. Check and repair any damaged wiring or connectors.
  5. Clear the diagnostic trouble codes and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix C0587 GMC

The typical repair costs for addressing a left rear solenoid circuit low issue can vary depending on the specific cause of the problem. In general, replacing a solenoid or repairing wiring/connectors can cost anywhere from $100 to $300, including parts and labor. However, the total cost may be higher if additional components need to be replaced or if the control module requires attention.

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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 C0587 GMC Code

1. What are common symptoms of OBDII code C0587 GMC (Left Rear Solenoid Circuit Low)?

The common symptoms of this code may include issues with the left rear brake system, such as dragging brakes, delayed brake response, or a lit brake warning light on the dashboard.

2. What are the possible causes of OBDII code C0587 GMC?

Possible causes of this code include a faulty left rear solenoid, damaged wiring or connectors in the left rear solenoid circuit, low brake fluid levels, or issues with the electronic brake control module.

3. How can I diagnose OBDII code C0587 GMC?

Diagnosing this code typically involves using a diagnostic scanner to read the code, inspecting the left rear brake system for visible damage, checking the wiring and connectors for any issues, and testing the left rear solenoid for proper function.

4. Can I still drive my vehicle with OBDII code C0587 GMC?

It is generally not recommended to drive your vehicle with this code present, as it can affect the performance of the left rear brake system and compromise overall safety. It is best to address the issue promptly.

5. How can I repair OBDII code C0587 GMC?

Repairing this code may involve replacing the left rear solenoid if it is faulty, repairing or replacing damaged wiring or connectors, ensuring proper brake fluid levels, and resetting the trouble code with a diagnostic scanner.

6. Are there any DIY tips for fixing OBDII code C0587 GMC?

While some basic inspections and checks can be done by DIY enthusiasts, it is recommended to have a professional mechanic diagnose and repair this code due to the complexity of the brake system and the importance of safety.

7. Will OBDII code C0587 GMC cause my vehicle to fail an emissions test?

This code is related to the brake system and is not directly related to emissions, so it should not cause your vehicle to fail an emissions test. However, it is still important to address the issue for safety reasons.

8. How much does it typically cost to repair OBDII code C0587 GMC?

The cost of repairing this code can vary depending on the exact cause of the issue, the extent of the damage, and labor rates in your area. It is recommended to get a few quotes from different mechanics to compare prices.

9. Can extreme weather conditions trigger OBDII code C0587 GMC?

Extreme weather conditions can potentially exacerbate existing issues related to this code, such as causing damage to wiring or connectors. It is important to keep your vehicle well-maintained to prevent weather-related problems.

10. Is OBDII code C0587 GMC a common issue in GMC vehicles?

While this specific code may not be extremely common, issues with the brake system can occur in any vehicle over time. Proper maintenance and timely repairs can help prevent such codes from appearing in your GMC vehicle.

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