B255D 2016 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 2016 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.
Code B255D 2016 GMC Sierra Description
What are the Possible Causes of the DTC B255D 2016 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 2016 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.
Code Tech Notes
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 2016 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.
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Frequently Asked Questions about B255D 2016 GMC Sierra Code
1. What are the common symptoms of OBDII code B255D in a 2016 GMC Sierra related to the Passenger Compartment Lamp Control Circuit?
- Common symptoms include the passenger compartment lamp not turning on when the door is opened, or the lamp staying on when the door is closed.
2. What are the possible causes of OBDII code B255D in a 2016 GMC Sierra?
- The code B255D may be triggered by a faulty passenger compartment lamp switch, a wiring issue in the control circuit, or a malfunction in the body control module.
3. How can I diagnose the cause of OBDII code B255D in my 2016 GMC Sierra?
- To diagnose the issue, you can start by checking the passenger compartment lamp switch for proper operation, inspecting the wiring for any damage or corrosion, and testing the body control module for any faults.
4. Can a blown fuse cause OBDII code B255D in a 2016 GMC Sierra?
- Yes, a blown fuse in the passenger compartment lamp circuit can also trigger the B255D trouble code. It's recommended to check the fuse as part of the troubleshooting process.
5. What are some repair tips for fixing OBDII code B255D in a 2016 GMC Sierra?
- Repair tips include checking and replacing a faulty passenger compartment lamp switch, repairing any damaged wiring in the control circuit, resetting the body control module, and ensuring all connections are secure.
6. Is it safe to continue driving my 2016 GMC Sierra with OBDII code B255D related to the Passenger Compartment Lamp Control Circuit?
- While the code B255D is not a critical issue affecting the drivability of the vehicle, it's important to address the underlying problem to ensure proper functioning of the passenger compartment lamp and avoid potential electrical issues.
7. Can I reset OBDII code B255D in my 2016 GMC Sierra without fixing the underlying problem?
- While you can clear the trouble code using an OBDII scanner, it's recommended to diagnose and repair the root cause of the B255D code to prevent it from reoccurring.
8. How much does it typically cost to repair OBDII code B255D in a 2016 GMC Sierra at a mechanic or dealership?
- The cost of repairing OBDII code B255D can vary depending on the specific issue, but it may range from $100 to $300 for parts and labor at a mechanic or dealership.
9. Can extreme temperatures or humidity affect the triggering of OBDII code B255D in a 2016 GMC Sierra?
- Yes, extreme temperatures or humidity can potentially exacerbate existing issues in the passenger compartment lamp control circuit, leading to the triggering of the B255D trouble code.
10. Are there any recalls or technical service bulletins related to OBDII code B255D in a 2016 GMC Sierra?
- It's advisable to check with GMC or authorized service centers for any recalls or technical service bulletins related to OBDII code B255D in a 2016 GMC Sierra to stay informed about potential known issues and solutions.
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