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HOMESERVICE MANUALSCADILLAC2009ESCALADE ESV AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 561 (IMMOBILIZER SYSTEM)REPAIR INSTRUCTIONSTHEFT DETERRENT MODULE REPLACEMENT
2009 Cadillac Escalade ESV AWD

Theft Deterrent Module Replacement

2009 Cadillac Escalade ESV AWDSECTION Theft Deterrent Module Replacement
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: View Of Theft Deterrent Module Assembly
GM1699383Courtesy of GENERAL MOTORS COMPANY
Theft Deterrent Module Replacement

Callout Component Name

Preliminary Procedure

  1. Disable the SIR. Refer to SIR Disabling and Enabling .
  2. Remove the ignition cylinder. Refer to Ignition Lock Cylinder Replacement .
  3. Program the theft deterrent control module after replacement. Refer to Control Module References .
1 Theft Deterrent Module Assembly
TIP:  Pull out away from lock cylinder case and disconnect the electrical connector.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.