B3155 2016 GMC Sierra Code - Passenger Door Lock Switch Circuit
Quick Answer
The Body Control Module (BCM) monitors the voltage level of the door lock and door unlock signal circuits. Common causes include Faulty Passenger Door Lock Switch, Passenger Door Lock Switch harness is open or shorted, Passenger Door Lock Switch 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
- B3155 2016 GMC Sierra indicates Passenger Door Lock Switch Circuit.
- Common causes
- Common causes include Faulty Passenger Door Lock Switch, Passenger Door Lock Switch harness is open or shorted, Passenger Door Lock Switch 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 B3155 2016 GMC Sierra Description
What are the Possible Causes of the DTC B3155 2016 GMC Sierra?
- Faulty Passenger Door Lock Switch
- Passenger Door Lock Switch harness is open or shorted
- Passenger Door Lock Switch circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B3155 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.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B3155 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 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.
Discuss the causes and fixes for B3155 2016 GMC Sierra OBDII Code
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