B3930 2014 Chevrolet Silverado Code - Child Security Lock Motors Circuit
Quick Answer
The Body Control Module (BCM) controls the Child Security Lock Relay when it receives a command to lockout the rear doors. Common causes include Faulty Child Security Lock Relay, Child Security Lock Relay harness is open or shorted, Child Security Lock Relay 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
- B3930 2014 Chevrolet Silverado indicates Child Security Lock Motors Circuit.
- Common causes
- Common causes include Faulty Child Security Lock Relay, Child Security Lock Relay harness is open or shorted, Child Security Lock Relay 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 B3930 2014 Chevrolet Silverado Description
What are the Possible Causes of the DTC B3930 2014 Chevrolet Silverado?
- Faulty Child Security Lock Relay
- Child Security Lock Relay harness is open or shorted
- Child Security Lock Relay circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B3930 2014 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 B3930 2014 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 B3930 2014 Chevrolet Silverado Code
1. What does the OBDII code B3930 mean on a 2014 Chevrolet Silverado?
Code B3930 indicates an issue with the Child Security Lock Motors Circuit, which controls the electronic child safety locks on the rear doors.
2. What are common symptoms of code B3930 on a 2014 Chevrolet Silverado?
Symptoms may include rear door child locks not engaging or disengaging properly, or a warning light on the dashboard.
3. What causes the B3930 code on a 2014 Chevrolet Silverado?
Common causes include faulty child security lock motors, damaged wiring or connectors, or issues with the body control module (BCM).
4. How do you diagnose the B3930 code on a 2014 Chevrolet Silverado?
Start by visually inspecting the wiring and connectors for damage, then test the child lock motors and check for BCM-related faults using a diagnostic tool.
5. Can a faulty body control module cause the B3930 code?
Yes, a malfunctioning BCM may fail to send or interpret signals to the child security lock motors, resulting in this code.
6. Is it safe to drive with the B3930 code on a 2014 Chevrolet Silverado?
While the vehicle is generally safe to drive, the child safety locks may not function properly, which could pose risks for rear passengers, especially children.
7. How can you fix the B3930 code on a 2014 Chevrolet Silverado?
Repairs may include replacing the faulty child security lock motors, repairing damaged wiring or connectors, or reprogramming or replacing the BCM.
8. How much does it typically cost to fix the B3930 code on a 2014 Chevrolet Silverado?
Repair costs can range from $100 to $500, depending on whether the issue is with the lock motors, wiring, or BCM.
9. Can a discharged battery cause the B3930 code?
Yes, a weak or discharged battery may lead to electrical issues that could trigger this code, though it’s not a common cause.
10. Do you need to reprogram the BCM after fixing the B3930 code?
If the BCM is replaced or updated, it may require reprogramming to ensure proper communication with other vehicle systems.
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