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Engine-Codes – Pontiac – B2585 Pontiac

B2585 Pontiac Code - Park Lamp Control Circuit

Quick Answer

The B2585 diagnostic trouble code (DTC) for Pontiac vehicles indicates a problem with the park lamp control circuit. Common causes include Damaged wiring or connectors in the park lamp circuit, Faulty body control module (BCM), Blown fuse related to the park lamp circuit. 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
B2585 Pontiac indicates Park Lamp Control Circuit.
Common causes
Common causes include Damaged wiring or connectors in the park lamp circuit, Faulty body control module (BCM), Blown fuse related to the park lamp circuit.
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 15, 2024
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Code B2585 Pontiac Description

The B2585 diagnostic trouble code (DTC) for Pontiac vehicles indicates a problem with the park lamp control circuit. This code is set when the body control module (BCM) detects a malfunction in the circuit that controls the park lamps. The park lamps are the exterior lights on the front and rear of the vehicle that are used for parking and visibility purposes.

OBDII Code B2585 Pontiac - Park Lamp Control Circuit
B2585 Pontiac Code - Park Lamp Control Circuit

Common Causes of B2585 Pontiac

  1. Damaged wiring or connectors in the park lamp circuit.
  2. Faulty body control module (BCM).
  3. Blown fuse related to the park lamp circuit.
  4. Malfunctioning park lamp relay.
  5. Corrosion or poor connections in the electrical system.

Symptoms of B2585 Pontiac

  1. Park lamps not turning on when the vehicle is parked or the headlights are turned on.
  2. Dim or flickering park lamps.
  3. Dashboard warning light indicating a lighting system malfunction.
  4. Other exterior lights not functioning properly.

How to Fix B2585 Pontiac

  1. Begin by inspecting the park lamp circuit wiring and connectors for any signs of damage or corrosion. Repair or replace any damaged components.
  2. Check the fuse related to the park lamp circuit and replace it if necessary.
  3. Test the park lamp relay to ensure it is functioning correctly. Replace the relay if it is faulty.
  4. If the issue persists, diagnose the body control module (BCM) for any faults and replace it if needed.
  5. After completing the repairs, clear the DTC and test the park lamps to verify that they are functioning properly.

Cost to Fix B2585 Pontiac

The typical repair costs for addressing the B2585 code related to the park lamp control circuit can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. On average, the repair costs for this type of problem can range from $100 to $300, including parts and labor. However, it is advisable to check with local auto repair shops for a more accurate estimate based on the vehicle's make and model, as well as the extent of the repairs needed. Keep in mind that diagnostic time and labor rates can influence the overall cost, with rates typically ranging from $80 to $150 per hour.

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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 B2585 Pontiac Code

1. What are the common symptoms of OBDII code B2585 Pontiac related to the Park Lamp Control Circuit?

- Common symptoms include park lamps not functioning properly, flickering, or remaining on even when the vehicle is turned off.

2. What are the potential causes of OBDII code B2585 Pontiac?

- The code B2585 Pontiac can be triggered by issues such as a faulty park lamp control module, damaged wiring, or a malfunctioning park lamp switch.

3. How can I diagnose the OBDII code B2585 Pontiac related to the Park Lamp Control Circuit?

- Diagnosis involves inspecting the park lamp control module, checking the wiring for any damage, and testing the park lamp switch for proper functionality using a multimeter.

4. Are there any quick tips for repairing OBDII code B2585 Pontiac?

- Quick repair tips include checking and replacing any blown fuses related to the park lamp circuit, ensuring all connections are secure, and clearing the code with an OBDII scanner after repairs.

5. Can a DIY enthusiast fix OBDII code B2585 Pontiac themselves?

- While DIY enthusiasts with automotive repair knowledge can attempt to fix the issue, it is recommended to consult a professional technician for complex electrical problems to ensure proper diagnosis and repair.

6. What happens if OBDII code B2585 Pontiac related to the Park Lamp Control Circuit is ignored?

- Ignoring the code can lead to continued malfunction of the park lamps, potential safety hazards while driving at night, and possible issues passing vehicle inspections in regions where park lamps are required.

7. Is it safe to drive with OBDII code B2585 Pontiac triggered?

- It is generally safe to drive with the code triggered, but it is advisable to address the issue promptly to prevent any potential safety concerns or further damage to the vehicle's electrical system.

8. How much does it typically cost to repair OBDII code B2585 Pontiac?

- The cost of repair can vary depending on the underlying cause, parts needed for replacement, and labor charges. It is recommended to obtain estimates from local auto repair shops for an accurate assessment.

9. Are there any recalls or technical service bulletins related to OBDII code B2585 Pontiac for certain Pontiac models?

- It is advisable to check with Pontiac dealerships or visit the National Highway Traffic Safety Administration (NHTSA) website for any relevant recalls or technical service bulletins related to this specific OBDII code.

10. Can extreme weather conditions affect the triggering of OBDII code B2585 Pontiac?

- Extreme weather conditions, such as heavy rain or snow, can potentially exacerbate electrical issues related to the park lamp control circuit, leading to the triggering of OBDII code B2585 Pontiac.

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