Engine-Codes.com
Engine-Codes – GMC – B255F 2015 GMC Sierra

B255F 2015 GMC Sierra Code - Interior Door Handle Backlight Circuit

Quick Answer

The B255F diagnostic trouble code (DTC) for a 2015 GMC Sierra relates to the interior door handle backlight circuit. Common causes include Faulty interior door handle backlight bulb, Damaged wiring harness connecting the backlight circuit, Loose or corroded electrical connections. 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 2015 GMC Sierra indicates Interior Door Handle Backlight Circuit.
Common causes
Common causes include Faulty interior door handle backlight bulb, Damaged wiring harness connecting the backlight circuit, Loose or corroded electrical connections.
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 29, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code B255F 2015 GMC Sierra Description

The B255F diagnostic trouble code (DTC) for a 2015 GMC Sierra relates to the interior door handle backlight circuit. This code indicates a malfunction in the circuit responsible for illuminating the interior door handle, which can affect the visibility and functionality of the door handle in low-light conditions. The interior door handle backlight is designed to provide illumination for easier access to the door handle at night or in dark environments. When this circuit fails, it can lead to a lack of visibility, making it challenging for occupants to locate and operate the door handle effectively.

OBDII Code B255F 2015 GMC Sierra - Interior Door Handle Backlight Circuit
B255F 2015 GMC Sierra Code - Interior Door Handle Backlight Circuit

Common Causes of B255F 2015 GMC Sierra

  1. Faulty interior door handle backlight bulb
  2. Damaged wiring harness connecting the backlight circuit
  3. Loose or corroded electrical connections
  4. Malfunctioning control module responsible for the backlight circuit
  5. Water damage or moisture intrusion affecting the circuit components

Symptoms of B255F 2015 GMC Sierra

  1. Dim or non-functional interior door handle backlight
  2. Difficulty locating and operating the door handle in low-light conditions
  3. Flickering or intermittent backlight illumination
  4. Dashboard warning light related to interior door handle backlight circuit

How to Fix B255F 2015 GMC Sierra

  1. Begin by diagnosing the specific cause of the B255F code using a diagnostic scan tool to pinpoint the exact issue within the interior door handle backlight circuit.
  2. Inspect the interior door handle backlight bulb to determine if it is faulty or burned out. Replace the bulb if necessary.
  3. Check the wiring harness for any signs of damage, wear, or corrosion. Repair or replace any damaged sections of the wiring harness.
  4. Verify the integrity of the electrical connections related to the interior door handle backlight circuit. Ensure all connections are secure and free of corrosion.
  5. If the issue persists, consider testing and potentially replacing the control module responsible for the interior door handle backlight circuit.

Cost to Fix B255F 2015 GMC Sierra

The typical repair costs for addressing the B255F code on a 2015 GMC Sierra can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, replacing a faulty interior door handle backlight bulb may cost between $20 and $50, while repairing or replacing a damaged wiring harness could range from $100 to $300. Labor costs for diagnosing and resolving the problem may add an additional $80 to $150 per hour, depending on the shop's rates and location. It's advisable to consult with a qualified mechanic or auto repair shop to obtain a more accurate estimate based on the vehicle's condition and the required repairs.

What does this mean?

Tech Notes for B255F 2015 GMC Sierra

B255F:02 Interior Door Handle Backlight Circuit Short to Ground

B255F:04 Interior Door Handle Backlight Circuit Open

Need more information about the B255F 2015 GMC Sierra code?

Need more information on how to fix the B255F 2015 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B255F 2015 GMC Sierra 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 B255F 2015 GMC Sierra Code

1. What does the OBDII code B255F mean on a 2015 GMC Sierra?

B255F indicates an issue with the Interior Door Handle Backlight Circuit, usually related to a malfunction in the wiring, connectors, or LED backlight itself.

2. What are the common symptoms of code B255F?

Symptoms include the door handle backlight not illuminating, only partially illuminating, or flickering intermittently.

3. What causes the B255F code to activate?

Common causes include a faulty backlight LED, damaged wiring, loose or corroded electrical connections, or a malfunction in the body control module (BCM).

4. How can I diagnose the B255F code?

Start by inspecting the door handle backlight, wiring, and connectors for damage or corrosion. Use a multimeter to check for proper voltage and continuity. If no issues are found, the BCM should be tested.

5. Is the B255F code a serious issue?

No, it is not a critical issue since it primarily affects interior lighting, but it can be an annoyance and may indicate electrical problems that could worsen over time.

6. Can I fix the B255F code on my own?

Yes, if you're comfortable with basic electrical diagnostics. Check and repair any damaged wiring or replace the backlight module. If you're unsure, consult a professional.

7. How much does it cost to repair the B255F code?

Repair costs vary depending on the issue. Replacing a faulty backlight may cost $50–$150, while BCM repairs or replacements could cost $300–$1,000.

8. Will clearing the code with a scan tool fix the issue?

Clearing the code will remove it temporarily, but if the underlying problem isn't addressed, the code will return.

9. Can a faulty BCM cause the B255F code?

Yes, a malfunctioning body control module (BCM) can lead to issues with the door handle backlight circuit, though this is less common.

10. Does the B255F code affect other vehicle functions?

Generally, no. This code specifically pertains to the interior door handle backlight circuit and does not typically impact other functions, unless part of a larger electrical system issue.

Discuss the causes and fixes for B255F 2015 GMC Sierra OBDII Code

Submit a New Comment

Code B255F 2015 GMC Sierra comments

No comments found for this page.