AutoCodes – Buick – B2655 Buick

B2655 Buick Code - Courtesy Lamp Low Control Circuit High

Quick Answer

The Body Control Module (BCM) controls the courtesy lamps through the courtesy lamp low control circuit. Common causes include Faulty Courtesy Lamp, Courtesy Lamp harness is open or shorted, Courtesy Lamp 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: B2655 Buick indicates Courtesy Lamp Low Control Circuit High.
Common causes: Common causes include Faulty Courtesy Lamp, Courtesy Lamp harness is open or shorted, Courtesy Lamp 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 521

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 13, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2655 Buick Description

The Body Control Module (BCM) controls the courtesy lamps through the courtesy lamp low control circuit. The BCM grounds the courtesy lamp low control circuit which completes the courtesy lamp low control circuit, and the lamps illuminate. The Diagnostic Trouble Code (DTC) sets when the BCM detects a short to battery in the courtesy lamp low control circuit.

OBDII Code B2655 Buick - Courtesy Lamp Low Control Circuit High - AutoCodes.com — B2655 Buick Code - Courtesy Lamp Low Control Circuit High

What does this mean?

What are the Possible Causes of the DTC B2655 Buick?

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

How to Fix the DTC B2655 Buick?

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 B2655 Buick 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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Need Help with the Code?

Get the B2655 Buick code diagnosed by a professional: Find a repair shop in your area

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 B2655 Buick Code

1. What are common symptoms of the OBDII code B2655 Buick (Courtesy Lamp Low Control Circuit High)?

- Common symptoms include the interior courtesy lamps staying on constantly or flickering erratically.

2. What are the possible causes of the B2655 Buick trouble code?

- Possible causes include a faulty courtesy lamp switch, wiring issues, a malfunctioning body control module (BCM), or a short circuit.

3. How can I diagnose the B2655 Buick code related to the courtesy lamp control circuit?

- You can diagnose the issue by visually inspecting the courtesy lamp circuit wiring, testing the courtesy lamp switch, and checking for any loose or damaged connections.

4. Can I still drive my Buick if the B2655 trouble code is present?

- If the code is related to the courtesy lamp control circuit, it is generally safe to drive the vehicle. However, the constant illumination of interior lights may be distracting or drain the battery.

5. How can I repair the B2655 Buick code indicating a high control circuit for the courtesy lamp?

- To repair this issue, you may need to replace the faulty courtesy lamp switch, repair any damaged wiring, or replace the body control module (BCM) if necessary.

6. Is it safe to attempt DIY repairs for the B2655 Buick trouble code?

- If you have experience working with automotive electrical systems, you may be able to attempt DIY repairs for this code. However, it's recommended to consult a professional for accurate diagnosis and repair.

7. Will resetting the trouble codes with an OBDII scanner fix the B2655 code permanently?

- Resetting the trouble codes with an OBDII scanner may temporarily clear the B2655 code, but if the underlying issue is not addressed, the code is likely to reappear.

8. Can a weak car battery cause the B2655 Buick trouble code to trigger?

- A weak car battery may not directly cause the B2655 trouble code, but it can lead to electrical issues that may contribute to the problem. It's recommended to ensure the battery is in good condition.

9. How much does it typically cost to repair the B2655 Buick code at a mechanic or dealership?

- The cost of repairing the B2655 code can vary depending on the specific cause of the issue and labor rates in your area. It's best to obtain quotes from different mechanics or dealerships for an accurate estimate.

10. Are there any preventive measures to avoid the recurrence of the B2655 code in the future?

- To prevent the B2655 code from reoccurring, it's essential to address any wiring issues promptly, avoid overloading the courtesy lamp circuit, and ensure all electrical components are in good working condition.