AutoCodes – Generic – B2655

B2655 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 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 1,105

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

What does this mean?

What are the Possible Causes of the DTC B2655?

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?

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 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.

Need more information about the B2655 code?

Need more information on how to fix the B2655 code? Get Access to Factory Service Manuals

Need Help with the Code?

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

Information for Specific Makes

B2655 Buick — Courtesy Lamp Low Control Circuit High
B2655 Cadillac — Courtesy Lamp Low Control Circuit High
B2655 Chevrolet — Courtesy Lamp Low Control Circuit High
B2655 GMC — Courtesy Lamp Low Control Circuit High
B2655 Infiniti — B/L Door Fail
B2655 Nissan — B/L Door Fail

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 Code

1. What are the common symptoms of OBDII code B2655?

- Common symptoms include the courtesy lamp staying on continuously, flickering, or not turning on at all.

2. What can cause the OBDII code B2655 to trigger?

- The code can be triggered by a high voltage in the courtesy lamp control circuit, often due to a short circuit or malfunctioning components.

3. How can I diagnose the cause of OBDII code B2655?

- You can use a diagnostic scanner to retrieve the code, check the courtesy lamp circuit for any visible damage or loose connections, and test the components in the circuit for proper functionality.

4. Can a faulty courtesy lamp itself trigger the OBDII code B2655?

- Yes, a faulty courtesy lamp can cause the control circuit to register a high voltage condition and trigger the B2655 trouble code.

5. Are there any specific repair tips for fixing OBDII code B2655?

- Repair tips include checking and repairing any damaged wiring, replacing a faulty courtesy lamp, inspecting and replacing the lamp control module if needed, and clearing the trouble code after repairs are completed.

6. What happens if I ignore the OBDII code B2655?

- Ignoring the code can lead to issues with the courtesy lamp not functioning properly, which can affect visibility inside the vehicle and compromise safety.

7. Can OBDII code B2655 be intermittent or permanent?

- The code can be either intermittent or permanent, depending on the underlying cause of the high voltage condition in the courtesy lamp control circuit.

8. Is it safe to continue driving with OBDII code B2655 present?

- It is generally safe to continue driving, but it is recommended to address the issue promptly to ensure the proper functioning of the courtesy lamp as needed.

9. Can a DIY enthusiast fix OBDII code B2655 at home?

- Yes, if you have the necessary tools and knowledge, you can attempt to diagnose and repair OBDII code B2655 at home. However, if you are unsure, it is best to consult a professional mechanic.

10. How long does it typically take to repair OBDII code B2655?

- The repair time can vary depending on the exact cause of the issue, but it can usually be addressed within a few hours to a day, depending on the complexity of the repair needed.