B3135 2016 GMC Sierra Code - All Doors Lock Circuit
Quick Answer
The Body Control Module (BCM) supplies a 12-volt signal to the lock and unlock signal circuits of the driver and passenger door lock switches. Common causes include Faulty Door Latch Assembly, Door Latch Assembly harness is open or shorted, Door Latch Assembly 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
- B3135 2016 GMC Sierra indicates All Doors Lock Circuit.
- Common causes
- Common causes include Faulty Door Latch Assembly, Door Latch Assembly harness is open or shorted, Door Latch Assembly 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 B3135 2016 GMC Sierra Description
The BCM, upon receipt of a lock switch lock or unlock signal, will supply voltage to the door lock actuator lock or unlock control circuits. Since the opposite side of the lock actuator is connected to the ground through the other lock actuator control circuit, the doors will then lock or unlock as commanded. The Diagnostic Trouble Code (DTC) sets when the BCM detects a short to ground or open/high resistance on a door latch control circuit.
What are the Possible Causes of the DTC B3135 2016 GMC Sierra?
- Faulty Door Latch Assembly
- Door Latch Assembly harness is open or shorted
- Door Latch Assembly circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B3135 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 B3135 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 B3135 2016 GMC Sierra Code
1. What are the common symptoms of OBDII code B3135 in a 2016 GMC Sierra related to the All Doors Lock Circuit?
- The common symptoms include issues with the power door locks, such as doors not locking or unlocking properly.
2. What are some possible causes of OBDII code B3135 in a 2016 GMC Sierra?
- Possible causes could be a malfunctioning door lock actuator, faulty wiring, or a problem with the central locking system.
3. How can I diagnose the All Doors Lock Circuit issue causing OBDII code B3135 in my 2016 GMC Sierra?
- You can use a scan tool to retrieve the specific trouble code and then inspect the door lock actuators, wiring, and central locking system for any visible signs of damage or malfunction.
4. Can a DIY enthusiast repair the OBDII code B3135 related to the All Doors Lock Circuit in a 2016 GMC Sierra?
- Depending on the root cause, some DIY repairs may be possible, such as replacing a faulty door lock actuator or repairing damaged wiring. However, complex issues may require professional assistance.
5. Are there any quick fixes or temporary solutions for OBDII code B3135 in a 2016 GMC Sierra until I can get it repaired?
- You can try manually locking or unlocking the doors to see if the issue is isolated to one door. Additionally, disconnecting the battery for a few minutes may reset the system temporarily.
6. Is it safe to continue driving with OBDII code B3135 in a 2016 GMC Sierra affecting the All Doors Lock Circuit?
- While the vehicle should still be safe to drive, it's essential to address the issue promptly to prevent potential security risks or further damage to the locking system.
7. How much does it typically cost to repair OBDII code B3135 in a 2016 GMC Sierra associated with the All Doors Lock Circuit?
- The cost of repair can vary depending on the specific cause of the issue, but it may range from a few hundred to a thousand dollars, including parts and labor.
8. Can extreme weather conditions affect the occurrence of OBDII code B3135 in a 2016 GMC Sierra related to the All Doors Lock Circuit?
- Yes, extreme temperatures or moisture can exacerbate existing issues with the door lock system, leading to the triggering of the trouble code.
9. Will resetting the OBDII system clear the B3135 trouble code related to the All Doors Lock Circuit in my 2016 GMC Sierra?
- Resetting the OBDII system may temporarily clear the code, but if the underlying issue persists, the code is likely to reappear. It's crucial to diagnose and address the root cause of the problem.
10. How can I prevent OBDII code B3135 from recurring in my 2016 GMC Sierra after it has been repaired?
- Regularly inspecting and maintaining the door lock system, ensuring proper installation of any replacement parts, and addressing any wiring issues promptly can help prevent the code from reoccurring.
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