B3930 2014 GMC Sierra Code - Child Security Lock Motors Circuit
Quick Answer
The B3930 diagnostic trouble code (DTC) for a 2014 GMC Sierra relates to the Child Security Lock Motors Circuit. Common causes include Faulty child security lock motors, Wiring issues or shorts in the circuit, Failed body control module (BCM). 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
- B3930 2014 GMC Sierra indicates Child Security Lock Motors Circuit.
- Common causes
- Common causes include Faulty child security lock motors, Wiring issues or shorts in the circuit, Failed body control module (BCM).
- 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.
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Code B3930 2014 GMC Sierra Description
The B3930 diagnostic trouble code (DTC) for a 2014 GMC Sierra relates to the Child Security Lock Motors Circuit. This code indicates a malfunction in the circuit responsible for controlling the child safety locks in the vehicle. The child security lock system is designed to prevent the rear doors from being opened from the inside, providing added safety for young passengers. When this circuit malfunctions, it can lead to issues with the proper operation of the child safety locks.
Common Causes of B3930 2014 GMC Sierra
- Faulty child security lock motors.
- Wiring issues or shorts in the circuit.
- Failed body control module (BCM).
- Defective sensors or switches in the system.
- Corrosion or poor connections in the electrical system.
Symptoms of B3930 2014 GMC Sierra
- Rear doors not locking or unlocking properly.
- Inability to engage or disengage child safety locks.
- Warning light on the dashboard related to child safety locks.
- Audible clicking or grinding noises when attempting to operate the child safety locks.
How to Fix B3930 2014 GMC Sierra
- Begin by conducting a thorough inspection of the child security lock system, including the motors, wiring, and related components.
- Use a diagnostic scan tool to retrieve the specific DTC (B3930) and pinpoint the exact source of the issue.
- Test the child security lock motors, switches, and sensors for proper functionality.
- Replace any faulty components identified during the inspection, such as defective motors, damaged wiring, or a malfunctioning BCM.
- Clear the DTC from the vehicle's memory using the diagnostic scan tool and test the child security lock system to ensure proper operation.
Cost to Fix B3930 2014 GMC Sierra
The cost of repairing the Child Security Lock Motors Circuit issue can vary depending on the extent of the problem and the specific components that need to be replaced. In general, the parts required for this repair, such as child security lock motors or a new BCM, can range from $100 to $300 or more. Labor costs at an auto repair shop can add another $100 to $200 to the total bill. Overall, the total repair cost for addressing the B3930 DTC could range from $200 to $500 or more, depending on the shop's rates and the specific repairs needed. It's advisable to consult with a professional mechanic to get an accurate estimate based on your vehicle's condition and location. Keep in mind that labor rates can vary widely, so it's essential to shop around for the best deal.
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Frequently Asked Questions about B3930 2014 GMC Sierra Code
1. What does the OBDII code B3930 mean on a 2014 GMC Sierra?
The B3930 code indicates a problem with the Child Security Lock Motors Circuit, which controls the rear door child safety locks.
2. What are the common symptoms of code B3930 in a 2014 GMC Sierra?
Symptoms may include the child safety locks not engaging or disengaging, or the rear doors remaining locked or unlocked despite attempts to control them.
3. What causes the B3930 code to appear in a 2014 GMC Sierra?
Common causes include a faulty child safety lock motor, damaged wiring or connectors in the circuit, or an issue with the Body Control Module (BCM).
4. Can I drive my 2014 GMC Sierra with the B3930 code?
Yes, the vehicle is still drivable, but the child safety locks may not function properly, which could pose a safety risk for children in the rear seats.
5. How do I diagnose the B3930 code on a 2014 GMC Sierra?
Start by checking the wiring and connectors for damage or corrosion, testing the child safety lock motor, and scanning the BCM for additional related codes.
6. How is the B3930 code typically repaired on a 2014 GMC Sierra?
Repairs may include replacing the faulty child safety lock motor, repairing or replacing damaged wiring, or reprogramming or replacing the BCM.
7. How much does it cost to fix the B3930 code on a 2014 GMC Sierra?
Repair costs vary but typically range from $100 to $500, depending on whether the issue is with the motor, wiring, or BCM.
8. Can a blown fuse cause the B3930 code on a 2014 GMC Sierra?
Yes, a blown fuse for the child lock circuit can cause the code. Check the fuses before inspecting other components.
9. How do I reset the B3930 code on a 2014 GMC Sierra?
After repairing the issue, use an OBDII scanner to clear the code. If the issue is resolved, the code should not return.
10. Can the B3930 code indicate a problem with both rear doors?
Yes, the code can indicate a circuit issue affecting one or both rear door child safety locks, depending on the extent of the problem.
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