B3930 GMC Code - Child Security Lock Motors Circuit
Quick Answer
The B3930 GMC code refers to an issue with the child security lock motors circuit in the vehicle. Common causes include Faulty child security lock motors, Wiring or electrical issues in the circuit, Malfunctioning 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 GMC indicates Child Security Lock Motors Circuit.
- Common causes
- Common causes include Faulty child security lock motors, Wiring or electrical issues in the circuit, Malfunctioning 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 GMC Description
The B3930 GMC code refers to an issue with the child security lock motors circuit in the vehicle. Child security locks are designed to prevent the rear doors from being opened from the inside, providing added safety for children or passengers in the back seats. When this code is triggered, it indicates a malfunction in the circuit that controls these security lock motors.
Common Causes of B3930 GMC
- Faulty child security lock motors
- Wiring or electrical issues in the circuit
- Malfunctioning body control module (BCM)
- Corrosion or damage to the connectors in the circuit
- Physical obstruction preventing the proper operation of the child security lock motors
Symptoms of B3930 GMC
- Check engine light illuminated on the dashboard
- Rear doors can be opened from the inside while the child security locks are engaged
- Inability to engage or disengage the child security locks
- Unusual noises coming from the rear doors when attempting to lock or unlock them
How to Fix B3930 GMC
- Diagnose the issue by using a scan tool to retrieve the B3930 GMC code and inspecting the child security lock motors circuit for any visible damage or issues.
- Test the child security lock motors and wiring for continuity and proper operation.
- Replace any faulty child security lock motors, wiring, or connectors as needed.
- Clear the DTC and reset the BCM to ensure the issue has been resolved.
- Test the child security locks to verify that they are functioning correctly after the repair.
Cost to Fix B3930 GMC
The typical repair costs for addressing the B3930 GMC code can vary depending on the extent of the issue and the specific components that need to be replaced. On average, the repair for this code could range from $100 to $300, including parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can fluctuate based on various factors, so it's advisable to obtain local estimates for a more accurate cost assessment.
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Information for Specific GMC Models
- B3930 2014 GMC Sierra — Child Security Lock Motors Circuit
- B3930 2015 GMC Sierra — Child Security Lock Motors Circuit
- B3930 2016 GMC Sierra — Child Security Lock Motors Circuit
- B3930 2017 GMC Sierra — Child Security Lock Motors Circuit
- B3930 2018 GMC Sierra — Child Security Lock Motors Circuit
Frequently Asked Questions about B3930 GMC Code
1. What are the common symptoms of OBDII code B3930 GMC (Child Security Lock Motors Circuit)?
The common symptoms include malfunctioning child security locks, doors not locking or unlocking properly, and warning lights on the dashboard.
2. What can cause the OBDII code B3930 GMC to trigger?
The code B3930 is triggered when there is a malfunction in the child security lock motors circuit, which can be due to damaged wiring, faulty motors, or a problem with the control module.
3. How can I diagnose the issue related to the Child Security Lock Motors Circuit?
To diagnose the issue, you can start by checking the wiring connections, inspecting the child security lock motors, and using a diagnostic scanner to read the trouble codes.
4. Are there any DIY repair tips for fixing the B3930 code on a GMC vehicle?
If you have experience with automotive electrical systems, you can try checking and repairing any damaged wiring, replacing faulty motors, or resetting the control module to clear the code.
5. Can the B3930 code affect the overall safety of the vehicle?
While the B3930 code is related to the child security lock motors, it can impact the overall security and safety of the vehicle, especially if the doors are not locking properly.
6. Is it safe to continue driving with the B3930 trouble code present?
It is not recommended to drive with the B3930 trouble code present, as it can compromise the security of the vehicle and potentially lead to other issues with the door locking system.
7. How much does it typically cost to repair the B3930 code on a GMC vehicle?
The cost of repairing the B3930 code can vary depending on the extent of the issue and the specific repairs needed, but it may range from a few hundred dollars to over a thousand dollars at a dealership.
8. Can I reset the B3930 trouble code myself, or do I need a professional mechanic?
You can attempt to reset the B3930 trouble code yourself using a diagnostic scanner, but if the underlying issue is not addressed, the code is likely to return. Consulting a professional mechanic is recommended for a proper diagnosis and repair.
9. Are there any recalls or service bulletins related to the B3930 code in GMC vehicles?
It is advisable to check with a GMC dealership or the manufacturer's website for any recalls or service bulletins related to the B3930 trouble code to see if there are any known issues or solutions provided.
10. How can I prevent the B3930 trouble code from reoccurring in the future?
To prevent the B3930 trouble code from reoccurring, it is essential to ensure regular maintenance of the child security lock system, address any wiring or motor issues promptly, and follow the manufacturer's recommended service schedule for your vehicle.
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