Pass Key Data Communication Failure


Table of contents

B2750 CADILLAC Possible Causes

  • Faulty Ignition Key
  • Ignition key programming

How do I fix code B2750 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 B2750 CADILLAC code

  The cost of diagnosing the B2750 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)
  • Engine may not start

B2750 CADILLAC Description

  When a key is inserted into the ignition switch, the terminals located in the steering column lock cylinder contact the resistor pellet in the ignition key. The Instrument Panel Cluster (IPC) measures the resistance of the key pellet and then measures the resistance to the one store in the IPCs memory. A malfunction occurs in the communication between the IPC and the Powertrain Control Module (PCM).

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