AutoCodes – Generic – B252E

B252E Code - Child Security Lock Switch Indicator Circuit

Quick Answer

The Body Control Module (BCM) will provide a ground for the child door lock indicator control circuit when the BCM receives a child door lockout command. Common causes include Faulty Child Security Lock Switch Indicator, Child Security Lock Switch Indicator harness is open or shorted, Child Security Lock Switch Indicator 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: B252E indicates Child Security Lock Switch Indicator Circuit.
Common causes: Common causes include Faulty Child Security Lock Switch Indicator, Child Security Lock Switch Indicator harness is open or shorted, Child Security Lock Switch Indicator 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.

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Code Popularity 2,297

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 24, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B252E Description

The Body Control Module (BCM) will provide a ground for the child door lock indicator control circuit when the BCM receives a child door lockout command. The indicator will illuminate to indicate that the interior rear door handles have been disabled. The Diagnostic Trouble Code (DTC) will be set when the BCM detects a problem with the Child Security Lock Switch Indicator Circuit for greater than 60 s.

OBDII Code B252E - Child Security Lock Switch Indicator Circuit - AutoCodes.com — B252E Code - Child Security Lock Switch Indicator Circuit

What does this mean?

What are the Possible Causes of the DTC B252E?

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

How to Fix the DTC B252E?

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 B252E 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 B252E code?

Need more information on how to fix the B252E code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B252E code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B252E Buick — Child Security Lock Switch Indicator Circuit
B252E Cadillac — Child Security Lock Switch Indicator Circuit
B252E Chevrolet — Child Security Lock Switch Indicator Circuit
B252E GMC — Child Security Lock Switch Indicator Circuit

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 B252E Code

1. What does OBDII code B252E mean?

B252E indicates a fault in the child security lock switch indicator circuit, which could prevent the proper functioning or illumination of the indicator for the child lock system.

2. What are the symptoms of code B252E?

The main symptoms include the child lock indicator not lighting up, improper operation of the child lock system, or no visible feedback when engaging or disengaging the lock.

3. What causes code B252E to appear?

Common causes include a faulty child lock switch, damaged wiring or connectors in the circuit, or a malfunctioning Body Control Module (BCM).

4. Is code B252E a serious issue?

While it may not immediately affect vehicle drivability, it could compromise safety by making the child lock system unreliable or non-functional.

5. How can you diagnose code B252E?

Check the child lock switch and indicator for physical damage, inspect the wiring and connectors for corrosion or fraying, and use a diagnostic scan tool to check related BCM inputs and outputs.

6. Can a faulty BCM cause code B252E?

Yes, if the BCM is not properly sending or receiving signals related to the child lock indicator circuit, it could trigger this code.

7. What repairs are needed for code B252E?

Repairs may include replacing the child lock switch, repairing or replacing damaged wiring or connectors, or reprogramming or replacing the BCM.

8. Can I fix code B252E myself?

If youâ€™re comfortable with basic electrical diagnostics, you can inspect the wiring and switch for visible damage, but advanced repairs, like BCM replacement, should be handled by a professional.

9. What tools are needed to troubleshoot code B252E?

Youâ€™ll need a multimeter to test electrical continuity, a diagnostic scan tool to read and clear codes, and potentially a wiring diagram for your vehicle model.

10. Will clearing the code fix code B252E?

Clearing the code will not fix the underlying issue. The root cause of the problem must be addressed before the code will stay cleared.