B3135 2017 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 2017 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 2017 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 2017 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 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 is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B3135 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.
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Frequently Asked Questions about B3135 2017 GMC Sierra Code
1. What are the common symptoms associated with OBDII code B3135 on a 2017 GMC Sierra related to the All Doors Lock Circuit?
- Common symptoms include issues with the automatic door locking system, such as doors failing to lock or unlock as intended.
2. What are the possible causes of OBDII code B3135 on a 2017 GMC Sierra related to the All Doors Lock Circuit?
- Possible causes may include faulty door lock actuators, damaged wiring or connectors, a malfunctioning body control module (BCM), or a problem with the central locking system.
3. How can I diagnose the issue causing OBDII code B3135 on my 2017 GMC Sierra related to the All Doors Lock Circuit?
- Diagnosis typically involves checking the wiring and connectors associated with the door lock system, testing the door lock actuators, and using a diagnostic scanner to communicate with the BCM for trouble code retrieval.
4. Can I still drive my 2017 GMC Sierra with OBDII code B3135 related to the All Doors Lock Circuit?
- While it may be possible to drive the vehicle with this code, it is recommended to address the issue promptly to ensure the proper functioning of the door locking system for safety and security reasons.
5. How can I repair OBDII code B3135 on my 2017 GMC Sierra related to the All Doors Lock Circuit?
- Repair methods may include replacing faulty door lock actuators, repairing or replacing damaged wiring or connectors, resetting the BCM, or reprogramming the central locking system.
6. Is it possible to reset OBDII code B3135 on a 2017 GMC Sierra related to the All Doors Lock Circuit without repair?
- While clearing the trouble code may temporarily eliminate the warning light, it is crucial to identify and address the root cause of the issue to prevent the code from reoccurring.
7. Are there any DIY tips for troubleshooting OBDII code B3135 on a 2017 GMC Sierra related to the All Doors Lock Circuit?
- DIY tips may include visually inspecting the door lock components, checking fuse connections, and performing basic electrical tests using a multimeter to pinpoint the source of the problem.
8. Can extreme weather conditions contribute to triggering OBDII code B3135 on a 2017 GMC Sierra related to the All Doors Lock Circuit?
- Yes, extreme temperatures or environmental factors may impact the door lock system components, potentially leading to malfunctions that trigger the code.
9. How long does it typically take to repair OBDII code B3135 on a 2017 GMC Sierra related to the All Doors Lock Circuit?
- The repair time can vary depending on the specific cause of the issue, but it may take anywhere from a few hours to a full day to diagnose and resolve the problem effectively.
10. Is it necessary to visit a dealership or mechanic to address OBDII code B3135 on a 2017 GMC Sierra related to the All Doors Lock Circuit?
- While professional assistance may be beneficial for complex repairs, some DIY enthusiasts may be able to troubleshoot and fix the issue themselves with the help of repair guides and tools.
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