AutoCodes – Pontiac – B2585 Pontiac

B2585 Pontiac Code - Park Lamp Control Circuit

Quick Answer

When the Body Control Module (BCM) receives a ground signal from the headlamp switch commanding to illuminate the park lamps, the BCM will energize the park lamp relay by grounding the park lamp relay control circuit. Common causes include Faulty Park Lamp Relay, Park Lamp Relay harness is open or shorted, Park Lamp Relay circuit poor electrical connection. 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 Faulty Park Lamp Relay, Park Lamp Relay harness is open or shorted, Park Lamp Relay circuit poor electrical connection.
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.

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Code Popularity 1,383

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jan 07, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2585 Pontiac Description

When the Body Control Module (BCM) receives a ground signal from the headlamp switch commanding to illuminate the park lamps, the BCM will energize the park lamp relay by grounding the park lamp relay control circuit. The Diagnostic Trouble Code (DTC) sets when the park lamp relay control circuit is open or shorted to ground.

OBDII Code B2585 Pontiac - Park Lamp Control Circuit - AutoCodes.com — B2585 Pontiac Code - Park Lamp Control Circuit

What does this mean?

What are the Possible Causes of the DTC B2585 Pontiac?

Faulty Park Lamp Relay
Park Lamp Relay harness is open or shorted
Park Lamp Relay circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B2585 Pontiac?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B2585 Pontiac code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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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.