Trunk Lid Unlatch Output Circuit


Table of contents

B3265 CADILLAC Possible Causes

  • Faulty Liftgate Window Unlatch Relay
  • Liftgate Window Unlatch Relay harness is open or shorted
  • Liftgate Window Unlatch Relay circuit poor electrical connection

How do I fix code B3265 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 B3265 CADILLAC code

  The cost of diagnosing the B3265 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)

B3265 CADILLAC Description

  When the Body Control Module (BCM) receives a liftgate window release command, it will provide voltage to one side of the relay and ground to the other side of the relay. This will energize the relay causing the switch side of the relay to close and will then provide B+ voltage to the liftgate window latch. The Diagnostic Trouble Code (DTC) sets when BCM detects a short to voltage on the liftgate window unlatch relay control circuit. A short to ground or an open/high resistance in the BCM B+ circuit.

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