LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2012 >> CTS Base, 2D Coupe, AWD >> Repair and Diagnosis >> Body & Frame >> Ignition Switch/Steering Lock >> Immobilizer System >> Repair Instructions >> Theft Deterrent Module Replacement
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Theft Deterrent Module Replacement

Fig 1: Theft Deterrent Module, Ignition Lock Cylinder & Bolts
GM1969382Courtesy of GENERAL MOTORS COMPANY
Theft Deterrent Module Replacement

Callout Component Name
Preliminary Procedure 
Remove the steering column shrouds. Refer to Steering Column Shroud Replacement (Without Key Release Lever Knob) , Steering Column Shroud Replacement (With Key Release Lever Knob) .
1 Ignition Lock Cylinder
Refer to Ignition Lock Cylinder Replacement
2 Theft Deterrent Module Bolt/Screw (Qty: 2)
CAUTION:

Refer to Fastener Caution .


Tighten 
2 N.m (18 lb in)
3 Theft Deterrent Module

Procedure

  1. Disconnect the electrical connector.
  2. Refer to Control Module References for programming and set up procedures.