AutoCodes – GMC – B255D 2014 GMC Sierra

B255D 2014 GMC Sierra Code - Passenger Compartment Lamp Control 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 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: B255D 2014 GMC Sierra indicates Passenger Compartment Lamp Control Circuit.
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 156

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 B255D 2014 GMC Sierra 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 courtesy lamps control circuit terminal.

OBDII Code B255D 2014 GMC Sierra - Passenger Compartment Lamp Control Circuit - AutoCodes.com — B255D 2014 GMC Sierra Code - Passenger Compartment Lamp Control Circuit

What does this mean?

What are the Possible Causes of the DTC B255D 2014 GMC Sierra?

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 B255D 2014 GMC Sierra?

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

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

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B255D 2014 GMC Sierra 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 B255D 2014 GMC Sierra code?

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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.