B3135 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado?
- 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 2018 Chevrolet Silverado?
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 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado Code
1. What does the OBDII code B3135 for the 2018 Chevrolet Silverado "All Doors Lock Circuit" indicate?
The B3135 code indicates a malfunction in the circuit that controls the locking mechanism for all doors in the 2018 Chevrolet Silverado.
2. What are common symptoms of the B3135 code in a 2018 Chevrolet Silverado?
Common symptoms include issues with the door locks not functioning properly, such as doors not locking or unlocking as intended.
3. What are some possible causes of the B3135 code in a 2018 Chevrolet Silverado?
Possible causes include faulty door lock actuators, damaged wiring or connectors in the locking circuit, or a malfunctioning control module.
4. How can I diagnose the B3135 code in my 2018 Chevrolet Silverado?
Diagnosis typically involves inspecting the door lock actuators, checking the wiring and connectors for damage, and using a diagnostic scanner to identify the specific issue.
5. Can I still drive my 2018 Chevrolet Silverado with the B3135 code present?
While it may be possible to drive the vehicle with the code present, it is recommended to address the issue promptly to ensure the proper functioning of the door locks.
6. How can I repair the B3135 code in my 2018 Chevrolet Silverado?
Repair methods may include replacing faulty door lock actuators, repairing damaged wiring or connectors, or reprogramming the control module to resolve the issue.
7. Is the B3135 code in the 2018 Chevrolet Silverado a serious problem?
While the code itself may not pose an immediate threat to safety, it can affect the convenience and security of your vehicle, making it important to address the issue.
8. Are there any DIY tips for fixing the B3135 code in a 2018 Chevrolet Silverado?
DIY tips may include checking and securing loose wiring connections, cleaning out debris from the door lock mechanisms, and following manufacturer repair guides if attempting repairs yourself.
9. How much does it typically cost to repair the B3135 code in a 2018 Chevrolet Silverado?
The cost of repair can vary depending on the exact cause of the issue, but it may range from a few hundred to a few thousand dollars, including parts and labor.
10. Can the B3135 code in the 2018 Chevrolet Silverado cause any other problems if left unaddressed?
Leaving the B3135 code unresolved may lead to continued issues with the door locks, potential security concerns, and a possible drain on the vehicle's battery if the locking system malfunctions.
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