B3155 2016 GMC Sierra Code - Passenger Door Lock Switch Circuit
Quick Answer
The B3155 diagnostic trouble code (DTC) for a 2016 GMC Sierra relates to the passenger door lock switch circuit. Common causes include Faulty passenger door lock switch, Wiring issues or shorts in the door lock switch circuit, Corrosion or damage to the electrical connectors related to the door lock switch. 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
- B3155 2016 GMC Sierra indicates Passenger Door Lock Switch Circuit.
- Common causes
- Common causes include Faulty passenger door lock switch, Wiring issues or shorts in the door lock switch circuit, Corrosion or damage to the electrical connectors related to the door lock switch.
- 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 B3155 2016 GMC Sierra Description
The B3155 diagnostic trouble code (DTC) for a 2016 GMC Sierra relates to the passenger door lock switch circuit. This code indicates that there is a malfunction in the circuit that controls the passenger door lock switch. The door lock switch is a crucial component that allows the driver or passengers to lock or unlock the doors of the vehicle. When this circuit malfunctions, it can lead to issues with the door lock system, potentially affecting the security and convenience of the vehicle.
Common Causes of B3155 2016 GMC Sierra
- Faulty passenger door lock switch.
- Wiring issues or shorts in the door lock switch circuit.
- Corrosion or damage to the electrical connectors related to the door lock switch.
- Issues with the body control module (BCM) that controls the door lock system.
- Water damage or exposure to moisture affecting the door lock switch circuit.
Symptoms of B3155 2016 GMC Sierra
- Inability to lock or unlock the passenger door using the switch.
- Intermittent operation of the passenger door lock switch.
- Stuck door lock in either the locked or unlocked position.
- Audible clicking noise when attempting to use the door lock switch.
- Warning light on the dashboard indicating a door lock system malfunction.
How to Fix B3155 2016 GMC Sierra
- Begin by diagnosing the specific cause of the issue by using a scan tool to retrieve the DTC and inspecting the door lock switch and related components.
- Replace the passenger door lock switch if it is found to be faulty. This may involve removing the door panel to access the switch.
- Check and repair any wiring issues or shorts in the door lock switch circuit. This may require tracing the wiring and repairing or replacing damaged sections.
- Inspect and clean the electrical connectors related to the door lock switch to ensure proper connectivity.
- If the issue persists, consider checking the BCM for any faults or reprogramming it to resolve the problem.
Cost to Fix B3155 2016 GMC Sierra
The cost of repairing the passenger door lock switch circuit can vary depending on the specific cause of the issue and the labor rates in your area. On average, the parts for this repair can range from $50 to $200, while the labor costs can be between $100 and $300. Keep in mind that these are rough estimates, and the actual cost may differ based on the extent of the repairs needed and the rates charged by your chosen auto repair shop. It is recommended to obtain quotes from multiple shops to compare prices and ensure a fair deal.
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Frequently Asked Questions about B3155 2016 GMC Sierra Code
1. What does the OBDII code B3155 mean on a 2016 GMC Sierra?
B3155 indicates an issue with the passenger door lock switch circuit, typically involving a malfunction in communication or wiring.
2. What are common symptoms of the B3155 code?
Symptoms may include the passenger door lock not functioning, intermittent locking/unlocking, or no response when using the passenger door lock switch.
3. What causes the B3155 code on a 2016 GMC Sierra?
Common causes include a faulty door lock switch, damaged wiring, corroded connectors, or a malfunctioning Body Control Module (BCM).
4. Can the B3155 code affect other systems in my truck?
While typically isolated to the passenger door lock, it could cause slight communication issues with the BCM or other door lock circuits if left unaddressed.
5. How is the B3155 code diagnosed?
Diagnosis involves scanning the truck with an OBDII tool, inspecting the wiring and connectors for damage or corrosion, and testing the door lock switch functionality.
6. Can I still drive with the B3155 code?
Yes, the truck is still drivable, but the passenger door lock may not function properly, which could pose a security risk.
7. How do I fix the B3155 code on my 2016 GMC Sierra?
Potential fixes include replacing the faulty door lock switch, repairing damaged wiring, cleaning corroded connectors, or reprogramming the BCM if necessary.
8. How much does it cost to repair the B3155 code?
Repair costs vary but typically range from $100 to $300, depending on whether the issue is with the switch, wiring, or BCM.
9. Can I reset the B3155 code without repairing it?
Clearing the code with a scan tool may temporarily remove it, but it will likely return if the underlying issue is not resolved.
10. Is the B3155 code a common problem for the 2016 GMC Sierra?
It is not extremely common but can occur due to normal wear and tear or exposure to moisture affecting the door lock switch circuit.
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