AutoCodes – GMC – B255F GMC

B255F GMC Code - Interior Door Handle Backlight Circuit

Quick Answer

The Body Control Module (BCM) supplies battery voltage to accent lighting lamps via the accent lamp control circuit. Common causes include Faulty Interior Door Handle Backlight, Interior Door Handle Backlight harness is open or shorted, Interior Door Handle Backlight 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: B255F GMC indicates Interior Door Handle Backlight Circuit.
Common causes: Common causes include Faulty Interior Door Handle Backlight, Interior Door Handle Backlight harness is open or shorted, Interior Door Handle Backlight 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 910

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 May 25, 2023

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code B255F GMC Description

The Body Control Module (BCM) supplies battery voltage to accent lighting lamps via the accent lamp control circuit. When a door is opened the BCM applies battery voltage to the accent lamp control circuit illuminating all of the accent lighting. The accent lighting will remain illuminated until all doors are closed, and the ignition is OFF. The accent lighting remains illuminated with the ignition ON. The Diagnostic Trouble Code (DTC) will be set when the BCM detects a problem in the accent lamp control circuit terminal.

OBDII Code B255F GMC - Interior Door Handle Backlight Circuit - AutoCodes.com — B255F GMC Code - Interior Door Handle Backlight Circuit

What does this mean?

What are the Possible Causes of the DTC B255F GMC?

Faulty Interior Door Handle Backlight
Interior Door Handle Backlight harness is open or shorted
Interior Door Handle Backlight circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B255F GMC?

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 does this mean?

Code Tech Notes

B255F:02 Interior Door Handle Backlight Circuit Short to Ground
B255F:04 Interior Door Handle Backlight Circuit Open

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B255F GMC 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?

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Information for Specific GMC Models

B255F 2014 GMC Sierra — Interior Door Handle Backlight Circuit
B255F 2015 GMC Sierra — Interior Door Handle Backlight Circuit
B255F 2016 GMC Sierra — Interior Door Handle Backlight Circuit
B255F 2017 GMC Sierra — Interior Door Handle Backlight Circuit
B255F 2018 GMC Sierra — Interior Door Handle Backlight Circuit

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 B255F GMC Code

1. What are the common symptoms of OBDII code B255F GMC related to the Interior Door Handle Backlight Circuit?

The common symptoms include malfunctioning interior door handle backlight, dim or flickering lights, or complete failure of the backlight.

2. What are the possible causes of OBDII code B255F GMC for the Interior Door Handle Backlight Circuit issue?

Possible causes include a faulty interior door handle light assembly, damaged wiring or connectors, blown fuses, or a malfunctioning control module.

3. How can I diagnose the OBDII code B255F GMC affecting the Interior Door Handle Backlight Circuit?

You can diagnose the issue by visually inspecting the interior door handle lights, checking the wiring and connectors for any damage, testing the fuses related to the circuit, and using a diagnostic scan tool to read the trouble code.

4. Can I fix the OBDII code B255F GMC myself for the Interior Door Handle Backlight Circuit problem?

Depending on your automotive repair skills, you may be able to fix the issue yourself by replacing the faulty interior door handle light assembly, repairing damaged wiring or connectors, or resetting the control module. However, professional help may be needed for complex electrical repairs.

5. Are there any repair tips for addressing OBDII code B255F GMC associated with the Interior Door Handle Backlight Circuit?

Ensure you have the proper tools for electrical repairs, follow the manufacturer's service manual for your specific GMC model, and double-check all connections after completing any repairs to avoid further issues.

6. Is it safe to continue driving with OBDII code B255F GMC triggered by the Interior Door Handle Backlight Circuit problem?

While the vehicle should still be safe to drive with this issue, it's important to address it promptly to avoid potential electrical malfunctions or safety hazards, especially in low-light conditions.

7. How much does it typically cost to repair OBDII code B255F GMC related to the Interior Door Handle Backlight Circuit issue?

The cost of repair can vary depending on the specific cause of the problem, the labor rates in your area, and whether you choose to fix it yourself or seek professional assistance. It's recommended to obtain quotes from local mechanics or dealerships for an accurate estimate.

8. Can weather conditions or extreme temperatures affect the Interior Door Handle Backlight Circuit and trigger OBDII code B255F GMC?

Extreme temperatures or moisture could potentially impact the interior door handle backlight circuit, leading to malfunctions or failures. It's essential to keep your vehicle protected and address any issues promptly to prevent further damage.

9. Will resetting the OBDII code B255F GMC resolve the Interior Door Handle Backlight Circuit problem?

Resetting the trouble code may temporarily clear the dashboard warning light, but it will not fix the underlying issue causing the Interior Door Handle Backlight Circuit malfunction. It's crucial to diagnose and address the root cause of the problem for a lasting repair.

10. How can I prevent OBDII code B255F GMC from recurring in the future for the Interior Door Handle Backlight Circuit issue?

To prevent the code from reoccurring, regularly inspect your interior door handle lights for any signs of wear or damage, avoid overloading the circuit with aftermarket accessories, and address any electrical issues promptly to maintain the system's integrity.