AutoCodes – Chevrolet – B252C 2018 Chevrolet Silverado

B252C 2018 Chevrolet Silverado Code - Child Security Lock Switch Circuit

Quick Answer

The Body Control Module (BCM) monitors the voltage level in the child security door lockout switch signal circuit, when the switch is in the open position the voltage in the signal circuit will be equal to the B+ voltage level. Common causes include Faulty Child Security Lock Switch, Child Security Lock Switch harness is open or shorted, Child Security Lock Switch 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
B252C 2018 Chevrolet Silverado indicates Child Security Lock Switch Circuit.
Common causes
Common causes include Faulty Child Security Lock Switch, Child Security Lock Switch harness is open or shorted, Child Security Lock Switch 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 225
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on May 24, 2023
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Code B252C 2018 Chevrolet Silverado Description

The Body Control Module (BCM) monitors the voltage level in the child security door lockout switch signal circuit, when the switch is in the open position the voltage in the signal circuit will be equal to the B+ voltage level. When the child security door lockout switch is pressed, the voltage within the signal circuit drops, and the BCM will detect the voltage drop and will energize the door lock relay to disable the interior rear door handles. The Diagnostic Trouble Code (DTC) will be set when the BCM has detected a short to ground on the child security lockout switch signal circuit for greater than 60 seconds.
OBDII Code B252C 2018 Chevrolet Silverado - Child Security Lock Switch Circuit - AutoCodes.com
B252C 2018 Chevrolet Silverado Code - Child Security Lock Switch Circuit

What are the Possible Causes of the DTC B252C 2018 Chevrolet Silverado?

  • Faulty Child Security Lock Switch
  • Child Security Lock Switch harness is open or shorted
  • Child Security Lock Switch circuit poor electrical connection
  • Faulty Body Control Module (BCM)

How to Fix the DTC B252C 2018 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 B252C 2018 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.

Need more information about the B252C 2018 Chevrolet Silverado code?

Need more information on how to fix the B252C 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B252C 2018 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area

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 B252C 2018 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code B252C in a 2018 Chevrolet Silverado related to the Child Security Lock Switch Circuit?

- Common symptoms may include non-functional child safety locks, inability to engage or disengage the child lock feature, or an illuminated warning light on the dashboard.

2. What are the possible causes of the B252C trouble code in a 2018 Chevrolet Silverado?

- The code B252C typically indicates a fault in the child security lock switch circuit, which can be caused by wiring issues, a defective child lock switch, or a faulty control module.

3. How can I diagnose the Child Security Lock Switch Circuit issue in my 2018 Chevrolet Silverado?

- Diagnosing the B252C code may require using an OBDII scanner to retrieve the code, inspecting the wiring and connectors related to the child lock switch, and testing the switch itself for proper functionality.

4. Can I repair the Child Security Lock Switch Circuit issue in my 2018 Chevrolet Silverado myself?

- While some basic troubleshooting steps can be done by DIY enthusiasts, repairing the child security lock switch circuit may require advanced diagnostic tools and expertise. It is recommended to consult a professional mechanic for accurate diagnosis and repair.

5. Is it safe to continue driving my 2018 Chevrolet Silverado with the B252C trouble code present?

- It is generally not recommended to drive the vehicle with unresolved electrical issues, as they can affect the overall safety and functionality of the vehicle. It is advised to address the problem promptly to ensure proper operation of the child security lock system.

6. How much does it typically cost to repair the Child Security Lock Switch Circuit problem in a 2018 Chevrolet Silverado?

- The cost of repairing the B252C trouble code can vary depending on the exact cause of the issue, labor rates in your area, and the cost of replacement parts. It is advisable to obtain quotes from different mechanics or dealerships for an accurate estimate.

7. Can a faulty child security lock switch impact other electrical systems in my 2018 Chevrolet Silverado?

- While the child security lock switch circuit is typically isolated, electrical issues in one part of the vehicle can sometimes affect other systems. It is recommended to address the problem promptly to prevent any potential complications.

8. Will disconnecting the battery reset the B252C trouble code in a 2018 Chevrolet Silverado?

- Disconnecting the battery may temporarily clear the trouble code, but it will not resolve the underlying issue causing the B252C code. It is important to diagnose and repair the problem to prevent the code from reappearing.

9. Can extreme weather conditions contribute to the Child Security Lock Switch Circuit problem in a 2018 Chevrolet Silverado?

- Extreme temperatures or moisture exposure can sometimes lead to electrical problems in vehicles, including issues with the child security lock switch circuit. It is advisable to keep the vehicle protected from harsh weather conditions to prevent such issues.

10. Is the Child Security Lock Switch Circuit problem covered under warranty for a 2018 Chevrolet Silverado?

- Depending on the warranty status of your vehicle, the repair for the B252C trouble code may be covered under the manufacturer's warranty. It is recommended to check with your dealership or refer to your warranty documentation for more information.

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