OBD Guide
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B252C

Child Security Lock Switch Circuit

B252C is an OBD-II diagnostic trouble code meaning: Child Security Lock Switch Circuit. Common causes: open circuit, short circuit. Estimated repair cost: $11–56.

Severity
✅ Low
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$11–56 (est.)

Symptoms

  • Child safety lock does not work
  • Malfunction indicator on the dashboard
  • Error message in the diagnostic system

Causes

  • Open circuit
  • Short circuit
  • Child lock switch malfunction
  • Wiring harness damage
  • Contact corrosion

How to Fix

  1. Check the integrity of the wiring harness
  2. Check the switch contacts for corrosion
  3. Replace the child lock switch if necessary
  4. Check the operation of the system after repair

Related codes

B252DB252E

FAQ

What does the B252C code mean?

B252C is an OBD-II diagnostic trouble code that indicates: Child Security Lock Switch Circuit

What causes a B252C error code?

The most common causes of B252C include: Open circuit; Short circuit; Child lock switch malfunction; Wiring harness damage.

How do I fix a B252C diagnostic trouble code?

To fix B252C: Check the integrity of the wiring harness. Check the switch contacts for corrosion. Replace the child lock switch if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B252C?

Limited driving only, diagnose soon

How much does it cost to fix B252C?

The estimated repair cost for B252C is $11–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat