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B3930 2015 Chevrolet Silverado Code - Child Security Lock Motors Circuit

Quick Answer

The B3930 diagnostic trouble code (DTC) for a 2015 Chevrolet Silverado relates to the Child Security Lock Motors Circuit. Common causes include Faulty wiring or connectors in the child security lock circuit, Malfunctioning child security lock motors, Corrosion or damage to the electrical components in the circuit. 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 2015 Chevrolet Silverado indicates Child Security Lock Motors Circuit.
Common causes
Common causes include Faulty wiring or connectors in the child security lock circuit, Malfunctioning child security lock motors, Corrosion or damage to the electrical components in the circuit.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 17, 2024
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Code B3930 2015 Chevrolet Silverado Description

The B3930 diagnostic trouble code (DTC) for a 2015 Chevrolet Silverado relates to the Child Security Lock Motors Circuit. This code indicates that there is a malfunction in the circuit responsible for controlling the child security lock motors in the vehicle. The child security lock system is designed to prevent the rear doors from being opened from the inside, providing an extra layer of safety for young passengers. When this circuit malfunctions, it can affect the proper operation of the child security lock system, potentially compromising the safety of passengers in the rear seats.

OBDII Code B3930 2015 Chevrolet Silverado - Child Security Lock Motors Circuit
B3930 2015 Chevrolet Silverado Code - Child Security Lock Motors Circuit

Common Causes of B3930 2015 Chevrolet Silverado

  1. Faulty wiring or connectors in the child security lock circuit.
  2. Malfunctioning child security lock motors.
  3. Corrosion or damage to the electrical components in the circuit.
  4. Issues with the control module responsible for the child security lock system.

Symptoms of B3930 2015 Chevrolet Silverado

  1. Rear doors can be opened from the inside even when child locks are engaged.
  2. Dashboard warning lights related to the child security lock system may illuminate.
  3. Audible clicking or grinding noises when attempting to engage the child locks.
  4. Inability to engage or disengage the child locks using the door switch.

How to Fix B3930 2015 Chevrolet Silverado

  1. Begin by conducting a thorough inspection of the child security lock circuit, including wiring, connectors, and motors.
  2. Use a multimeter to test the continuity of the wiring and check for any shorts or open circuits.
  3. Inspect the child security lock motors for proper operation and replace any faulty motors as needed.
  4. Check the control module for any signs of damage or malfunction and replace if necessary.
  5. Clear the DTC from the vehicle's computer system and test the child security lock system to ensure proper operation.

Cost to Fix B3930 2015 Chevrolet Silverado

The cost of repairing the Child Security Lock Motors Circuit issue can vary depending on the extent of the damage and the specific components that need to be replaced. In general, the cost of parts for this repair can range from $100 to $300, with labor costs adding an additional $100 to $200. Overall, the total repair cost for addressing the B3930 DTC in a 2015 Chevrolet Silverado is likely to fall between $200 and $500. It's important to note that labor rates at auto repair shops can vary, so it's advisable to check with local shops for more accurate pricing information.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B3930 2015 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code B3930 in a 2015 Chevrolet Silverado related to the Child Security Lock Motors Circuit?

- Common symptoms include malfunctioning child safety locks, inability to engage/disengage the child security feature, and a warning light on the dashboard.

2. What are the possible causes of OBDII code B3930 in a 2015 Chevrolet Silverado?

- The code may be triggered by faulty child security lock motors, damaged wiring or connectors in the circuit, or a problem with the control module.

3. How can I diagnose OBDII code B3930 in my 2015 Chevrolet Silverado?

- Diagnosis involves using an OBDII scanner to read the code, checking the child security lock motors for proper operation, inspecting wiring for damage, and testing the control module.

4. What are some tips for repairing OBDII code B3930 in a 2015 Chevrolet Silverado?

- Repair tips include replacing defective child security lock motors, repairing or replacing damaged wiring or connectors, and reprogramming or replacing the control module if necessary.

5. Can I fix OBDII code B3930 in my 2015 Chevrolet Silverado at home, or should I take it to a professional mechanic?

- Depending on your automotive repair skills and access to tools, you may be able to address the issue at home. However, complex electrical repairs may be best left to a professional mechanic.

6. Is it safe to continue driving my 2015 Chevrolet Silverado with OBDII code B3930 related to the Child Security Lock Motors Circuit?

- While the vehicle may still be operable, it is not ideal to ignore this code as it affects the safety features of the vehicle. It is recommended to address the issue promptly.

7. How much can I expect to pay to repair OBDII code B3930 in a 2015 Chevrolet Silverado at a dealership or repair shop?

- Repair costs can vary depending on the exact cause of the issue and labor rates in your area. It is advisable to obtain quotes from different shops for the most accurate estimate.

8. Are there any recalls or technical service bulletins related to OBDII code B3930 in the 2015 Chevrolet Silverado?

- It is recommended to check with Chevrolet or the National Highway Traffic Safety Administration (NHTSA) for any recalls or technical service bulletins related to this specific OBDII code.

9. Will resetting the OBDII system clear the B3930 trouble code in my 2015 Chevrolet Silverado?

- Resetting the OBDII system may temporarily clear the code, but if the underlying issue causing the B3930 code is not addressed, it is likely to reappear during subsequent driving cycles.

10. Can extreme weather conditions or environmental factors trigger OBDII code B3930 in a 2015 Chevrolet Silverado?

- While extreme weather conditions may not directly cause this specific code, they can sometimes exacerbate existing issues with the child security lock motors circuit, leading to the B3930 code being triggered.

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