B3130 2015 Chevrolet Silverado Code - All Doors Unlock 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
- B3130 2015 Chevrolet Silverado indicates All Doors Unlock 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 B3130 2015 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 B3130 2015 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 B3130 2015 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 B3130 2015 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 B3130 2015 Chevrolet Silverado Code
1. What does the OBDII code B3130 mean on a 2015 Chevrolet Silverado?
Code B3130 indicates an issue with the "All Doors Unlock Circuit," typically pointing to a problem in the circuit responsible for unlocking all the vehicle's doors.
2. What are the common symptoms of the B3130 code?
Symptoms include the inability to unlock all doors using the key fob or interior switches, intermittent door unlocking issues, or no response from the door lock system.
3. What causes the B3130 code on a 2015 Chevrolet Silverado?
Causes may include a faulty door lock actuator, wiring issues in the unlock circuit, a malfunctioning Body Control Module (BCM), or a blown fuse.
4. How is the B3130 code diagnosed?
Diagnosis involves scanning the vehicle with an OBDII scanner, inspecting wiring and connections in the door lock circuit, testing the actuators, and checking the BCM for faults.
5. Can a blown fuse trigger the B3130 code?
Yes, a blown fuse in the door lock circuit can cause the code by disrupting the power supply to the actuators.
6. How can you fix the B3130 code on a 2015 Chevrolet Silverado?
Repairs may include replacing a faulty door lock actuator, repairing damaged wiring, replacing a blown fuse, or reprogramming or replacing the BCM if necessary.
7. Is the B3130 code a serious issue?
While it doesn’t typically affect vehicle drivability, it can be inconvenient and compromise security by preventing proper door locking and unlocking.
8. Can a weak key fob battery cause the B3130 code?
A weak key fob battery typically doesn’t cause this code, but it can mimic symptoms like unresponsive door locks. Replace the key fob battery to rule it out.
9. How much does it cost to repair the B3130 code?
Repair costs vary, ranging from $50 to $150 for simple fixes like a fuse or wiring repair, and up to $500 or more if the BCM or actuators need replacement.
10. Can I clear the B3130 code without fixing the issue?
Clearing the code without addressing the root cause may temporarily remove it, but the issue will likely return until repairs are completed.
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