AutoCodes – GMC – B255D 2017 GMC Sierra

B255D 2017 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 2017 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 138

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 2017 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 2017 GMC Sierra - Passenger Compartment Lamp Control Circuit - AutoCodes.com — B255D 2017 GMC Sierra Code - Passenger Compartment Lamp Control Circuit

What does this mean?

What are the Possible Causes of the DTC B255D 2017 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 2017 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 2017 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 2017 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 2017 GMC Sierra Code

What does the OBDII code B255D mean for a 2017 GMC Sierra?

B255D indicates a malfunction in the passenger compartment lamp control circuit, which may affect the interior lighting system.

What are common symptoms associated with the B255D code?

Common symptoms include malfunctioning interior lights, dimming or flickering lights, or lights that do not turn on when the doors are opened.

What could cause the B255D code to trigger?

Causes may include a faulty passenger compartment lamp, damaged wiring or connectors, a malfunctioning body control module (BCM), or a blown fuse in the lighting circuit.

How can I diagnose the B255D code?

Begin by inspecting the passenger compartment lamp and its wiring for damage, check the BCM for any software updates, and test the related fuses.

Are there any common fixes for the B255D code?

Common fixes include replacing the passenger compartment lamp, repairing or replacing damaged wiring, and resetting or reprogramming the BCM.

Will the B255D code affect my vehicle's performance?

While the B255D code primarily impacts the interior lighting, it does not typically affect the overall performance of the vehicle.

Can I drive my GMC Sierra with the B255D code?

Yes, you can drive the vehicle, but it is advisable to address the issue to ensure the interior lights function correctly for safety and convenience.

How can I reset the B255D code after repairs?

You can reset the code by using an OBDII scanner to clear the trouble codes or by disconnecting the vehicle's battery for a short period.

Is it necessary to visit a dealership for repairs related to the B255D code?

Not necessarily; while a dealership may have specialized equipment, many independent mechanics can diagnose and repair issues related to the B255D code effectively.