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Engine-Codes – GMC – B255D 2014 GMC Sierra

B255D 2014 GMC Sierra Code - Passenger Compartment Lamp Control Circuit

Quick Answer

The B255D diagnostic trouble code (DTC) for a 2014 GMC Sierra refers to the Passenger Compartment Lamp Control Circuit. Common causes include Faulty lamp control module, Wiring damage or short circuit in the passenger compartment lamp circuit, Blown fuse related to the interior lighting system. 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
B255D 2014 GMC Sierra indicates Passenger Compartment Lamp Control Circuit.
Common causes
Common causes include Faulty lamp control module, Wiring damage or short circuit in the passenger compartment lamp circuit, Blown fuse related to the interior lighting system.
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 Aug 19, 2024
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Code B255D 2014 GMC Sierra Description

The B255D diagnostic trouble code (DTC) for a 2014 GMC Sierra refers to the Passenger Compartment Lamp Control Circuit. This code indicates a problem with the circuit that controls the interior lighting in the vehicle. The interior lighting system includes dome lights, courtesy lights, and other interior illumination features. When this code is triggered, it means that there is a malfunction in the circuit that controls these lights.

OBDII Code B255D 2014 GMC Sierra - Passenger Compartment Lamp Control Circuit
B255D 2014 GMC Sierra Code - Passenger Compartment Lamp Control Circuit

Common Causes of B255D 2014 GMC Sierra

  1. Faulty lamp control module.
  2. Wiring damage or short circuit in the passenger compartment lamp circuit.
  3. Blown fuse related to the interior lighting system.
  4. Malfunctioning door jamb switch.
  5. Corrosion or poor connection in the wiring harness.

Symptoms of B255D 2014 GMC Sierra

  1. Interior lights not turning on when doors are opened.
  2. Interior lights flickering or flashing intermittently.
  3. Interior lights remaining on when the vehicle is turned off.
  4. Fuse for interior lights blowing repeatedly.
  5. Warning light on the dashboard indicating an issue with the interior lighting system.

How to Fix B255D 2014 GMC Sierra

  1. Use a diagnostic scanner to retrieve the specific fault code and confirm the issue with the passenger compartment lamp control circuit.
  2. Inspect the wiring harness for any damage, corrosion, or loose connections. Repair or replace as needed.
  3. Check and replace any blown fuses related to the interior lighting system.
  4. Test the lamp control module and door jamb switches for proper functionality. Replace any faulty components.
  5. Clear the fault code and test the interior lights to ensure they are operating correctly.

Cost to Fix B255D 2014 GMC Sierra

The typical repair costs for addressing the B255D code on a 2014 GMC Sierra can range from $100 to $300, depending on the specific cause of the issue and the cost of replacement parts. This estimate includes parts and labor. It is important to note that diagnostic time and labor rates can vary based on location, the specific vehicle make and model, and the rates charged by the auto repair shop. It is recommended to obtain quotes from local shops to get a more accurate estimate for this repair.

What does this mean?

Tech Notes for B255D 2014 GMC Sierra

B255D:01 Passenger Compartment Lamp Control Circuit Short to Battery
B255D:02 Passenger Compartment Lamp Control Circuit Short to Ground
B255D:04 Passenger Compartment Lamp Control Circuit Open

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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 B255D 2014 GMC Sierra Code

1. What does OBDII code B255D on a 2014 GMC Sierra indicate?

The code B255D on a 2014 GMC Sierra specifically relates to the Passenger Compartment Lamp Control Circuit.

2. What are common symptoms of OBDII code B255D in a 2014 GMC Sierra?

Common symptoms of code B255D may include the passenger compartment lamp not turning on or staying on when it shouldn't.

3. What are possible causes of OBDII code B255D in a 2014 GMC Sierra?

Possible causes of code B255D can include a faulty passenger compartment lamp, wiring issues, a defective lamp control module, or a malfunctioning body control module.

4. How can I diagnose the cause of OBDII code B255D in my 2014 GMC Sierra?

To diagnose code B255D, you may need to inspect the passenger compartment lamp, check the wiring for any damage, test the lamp control module, and scan the body control module for related faults.

5. Can I repair OBDII code B255D in my 2014 GMC Sierra myself?

Depending on the exact cause, you may be able to repair code B255D yourself by replacing the faulty lamp, repairing any damaged wiring, or replacing the affected control modules.

6. Is it safe to continue driving with OBDII code B255D in my 2014 GMC Sierra?

While code B255D may not directly affect the drivability of your GMC Sierra, it's best to address the issue promptly to ensure proper operation of the passenger compartment lamp and prevent any potential electrical issues.

7. How do I reset OBDII code B255D on my 2014 GMC Sierra after making repairs?

Once you have fixed the underlying issue causing code B255D, you can reset the code using an OBDII scanner tool or by disconnecting the vehicle's battery for a few minutes.

8. Are there any recalls or technical service bulletins related to OBDII code B255D in a 2014 GMC Sierra?

Check with a GMC dealership or visit the manufacturer's website to see if there are any recalls or technical service bulletins addressing code B255D in your specific model year and make.

9. Will OBDII code B255D cause my 2014 GMC Sierra to fail an emissions test?

Since code B255D relates to the passenger compartment lamp control circuit and not emissions-related components, it should not cause your GMC Sierra to fail an emissions test.

10. How can I prevent OBDII code B255D from occurring in my 2014 GMC Sierra in the future?

To prevent code B255D, regularly inspect and maintain the passenger compartment lamp, address any wiring issues promptly, and follow the manufacturer's recommended maintenance schedule for your vehicle.

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