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Home >> Chevrolet >> 2008 >> Uplander LT, 3.9 1 >> Repair and Diagnosis >> Body & Frame >> Ignition Switch/Steering Lock >> Immobilizer System >> Repair Instructions >> Theft Deterrent Module Replacement >> Removal Procedure

Removal Procedure

  1. Disable the SIR. Refer to SIR Disabling and Enabling .
  2. Remove the trim covers. Refer to Steering Column Trim Covers Replacement .
  3. Remove the ignition lock cylinder. Refer to Ignition Lock Cylinder Replacement .
  4. Remove the theft deterrent module (TDM) wiring harness from the steering column harness.
  5. Disconnect the electrical connector.
  6. Fig 1: View Of Theft Deterrent Control Module
    GM860152Courtesy of GENERAL MOTORS CORP.
  7. Pull the TDM (2) away from the lock cylinder housing (1).