Short To Ground In The Horn Relay Control Circuit


Table of contents

B2752 CADILLAC Possible Causes

  • Faulty Horn Relay
  • Horn Relay harness is open or shorted
  • Horn Relay circuit poor electrical connection
  • Faulty Body Control Module (BCM)

How do I fix code B2752 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 B2752 CADILLAC code

  The cost of diagnosing the B2752 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)

B2752 CADILLAC Description

  The vehicle horn is activated whenever the ground is applied to the horn relay coil through the horn relay control circuit. The ground may be applied by either of the following: The Body Control Module (BCM) and the horn switch. The Diagnostic Trouble Code (DTC) sets when the BCM detects a short to ground in the horn relay control circuit for approximately 300 milliseconds.

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