Child Security Lock Switch Circuit


Table of contents

B252C CADILLAC Possible Causes

  • 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 do I fix code B252C CADILLAC?

  Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.

Cost of diagnosing the B252C CADILLAC code

  The cost of diagnosing the B252C CADILLAC code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

B252C CADILLAC 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.

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