AutoCodes – GMC – B252C 2014 GMC Sierra

B252C 2014 GMC Sierra 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 2014 GMC Sierra 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 166
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 2014 GMC Sierra 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 2014 GMC Sierra - Child Security Lock Switch Circuit - AutoCodes.com
B252C 2014 GMC Sierra Code - Child Security Lock Switch Circuit

What are the Possible Causes of the DTC B252C 2014 GMC Sierra?

  • 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 2014 GMC Sierra?

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 2014 GMC Sierra 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 2014 GMC Sierra code?

Need more information on how to fix the B252C 2014 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B252C 2014 GMC Sierra 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 2014 GMC Sierra Code

1. What are the common symptoms of OBDII code B252C in a 2014 GMC Sierra related to the Child Security Lock Switch Circuit?

- The common symptoms include malfunctioning child security lock switches, inoperative power door locks, and warning lights on the dashboard.

2. What are the possible causes of OBDII code B252C in a 2014 GMC Sierra?

- The code B252C can be triggered by issues such as faulty child security lock switch, damaged wiring or connectors, or a malfunctioning control module.

3. How can I diagnose the Child Security Lock Switch Circuit issue in my 2014 GMC Sierra?

- To diagnose the problem, you can perform a visual inspection of the child security lock switches and wiring, use a multimeter to test for continuity, and scan the vehicle for trouble codes.

4. What are some repair tips for fixing OBDII code B252C in a 2014 GMC Sierra?

- Repair tips include checking and repairing any damaged wiring or connectors, replacing the faulty child security lock switch, and resetting the control module after repairs are made.

5. Can I fix the Child Security Lock Switch Circuit issue in my 2014 GMC Sierra myself, or do I need professional help?

- Depending on your level of automotive knowledge and experience, you may be able to address the issue yourself by following repair guides and using the necessary tools. However, seeking professional help is recommended if you are unsure.

6. Are there any safety concerns associated with the Child Security Lock Switch Circuit problem?

- Yes, malfunctioning child security lock switches can compromise the safety of young passengers in the vehicle. It is important to address the issue promptly to ensure proper functionality.

7. Will resetting the control module clear the OBDII code B252C in a 2014 GMC Sierra?

- Resetting the control module after repairs are made can clear the code B252C. However, if the underlying issue is not fixed, the code may reappear during subsequent drive cycles.

8. How long does it typically take to repair the Child Security Lock Switch Circuit problem in a 2014 GMC Sierra?

- The repair time can vary depending on the exact cause of the issue and your level of experience. It may take anywhere from a few hours to a full day to diagnose and fix the problem.

9. Can a faulty child security lock switch cause other electrical issues in a 2014 GMC Sierra?

- Yes, a faulty child security lock switch can potentially cause other electrical problems, such as issues with the power door locks or related control modules.

10. Is it safe to continue driving my 2014 GMC Sierra with the OBDII code B252C related to the Child Security Lock Switch Circuit?

- It is not recommended to ignore the issue and continue driving, as it can affect the safety and functionality of the child security lock system. It is best to address the problem as soon as possible.

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