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C0587 Cadillac Code - Left Rear Solenoid Circuit Low

Quick Answer

The C0587 Cadillac code indicates a problem with the left rear solenoid circuit being detected as low. Common causes include Faulty left rear solenoid, Corrosion or damage to the wiring harness connected to the solenoid, Poor electrical connection or loose wiring. 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 Cadillac indicates Left Rear Solenoid Circuit Low.
Common causes
Common causes include Faulty left rear solenoid, Corrosion or damage to the wiring harness connected to the solenoid, Poor electrical connection or loose wiring.
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 28, 2024
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Code C0587 Cadillac Description

The C0587 Cadillac code indicates a problem with the left rear solenoid circuit being detected as low. In modern vehicles, solenoids are electro-mechanical devices that control the flow of fluids or gases within the vehicle's systems. In this case, the left rear solenoid is responsible for regulating the hydraulic pressure in the braking system, particularly for the left rear wheel. When the circuit is detected as low, it means that there is an issue with the electrical connection or signal transmission to the solenoid, which can impact the proper functioning of the braking system.

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

Common Causes of C0587 Cadillac

  1. Faulty left rear solenoid.
  2. Corrosion or damage to the wiring harness connected to the solenoid.
  3. Poor electrical connection or loose wiring.
  4. Issues with the ABS module or hydraulic control unit.
  5. Water or debris intrusion affecting the solenoid circuit.

Symptoms of C0587 Cadillac

  1. Uneven braking performance, with the vehicle pulling to one side during braking.
  2. ABS warning light illuminated on the dashboard.
  3. Increased stopping distance or decreased braking effectiveness.
  4. Grinding or unusual noises coming from the left rear wheel during braking.

How to Fix C0587 Cadillac

  1. Begin by conducting a visual inspection of the left rear solenoid and its wiring harness to check for any visible damage or corrosion.
  2. Use a multimeter to test the electrical continuity and resistance of the solenoid circuit to identify any faulty components.
  3. Replace the left rear solenoid if it is found to be defective, ensuring proper installation and secure connection.
  4. Repair or replace any damaged wiring or connectors in the solenoid circuit.
  5. Clear the diagnostic trouble codes (DTCs) from the vehicle's system using a scan tool and perform a test drive to verify that the issue has been resolved.

Cost to Fix C0587 Cadillac

The typical repair costs for addressing a C0587 Cadillac code can vary depending on the extent of the issue and the specific components that need to be replaced. On average, the parts for a solenoid replacement can range from $100 to $300, while the labor costs can add an additional $100 to $200. Overall, the total repair cost for this issue may fall within the range of $200 to $500, including parts and labor.

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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 Cadillac Code

1. What are the common symptoms of OBDII code C0587 in a Cadillac related to the left rear solenoid circuit?

- Common symptoms include poor acceleration, rough shifting, and potential issues with the vehicle's stability control system.

2. What can cause the left rear solenoid circuit low error code C0587 in a Cadillac?

- Possible causes include a faulty solenoid, damaged wiring or connectors, low transmission fluid levels, or issues with the transmission control module.

3. How can I diagnose the C0587 code in my Cadillac?

- Diagnosing this code typically involves using a scan tool to check for the specific error code, inspecting the wiring and connectors for damage, and testing the solenoid for proper functioning.

4. Can I still drive my Cadillac with the C0587 trouble code present?

- It is not recommended to drive the vehicle with the C0587 code as it can lead to further transmission issues and potential safety concerns.

5. How do I repair the left rear solenoid circuit low error code C0587 in my Cadillac?

- Repairing this code often involves replacing the faulty solenoid, repairing or replacing damaged wiring and connectors, ensuring proper transmission fluid levels, and clearing the error code.

6. Are there any DIY tips for fixing the C0587 code in my Cadillac?

- While some basic troubleshooting steps can be done at home, it is recommended to consult with a professional mechanic for an accurate diagnosis and repair of the C0587 code.

7. How much does it typically cost to fix the left rear solenoid circuit low error code in a Cadillac?

- The cost of repairing the C0587 code can vary depending on the specific issue, but it may range from $200 to $600, including parts and labor.

8. Can resetting the error codes clear the C0587 code in my Cadillac?

- Resetting the error codes may temporarily clear the C0587 code, but if the underlying issue is not addressed, the code is likely to reappear.

9. Is the left rear solenoid circuit low error code C0587 a common issue in Cadillacs?

- While not extremely common, the C0587 code related to the left rear solenoid circuit can occur in Cadillacs, especially in older models or those with high mileage.

10. How long does it take to repair the C0587 code in a Cadillac?

- Repairing the left rear solenoid circuit low error code C0587 can take anywhere from a couple of hours to a full day, depending on the extent of the issue and the availability of parts.

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