FixVault

Theft Deterrent Module Replacement

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2015 GMC Sierra 3500 HD, 2015 GMC Sierra 2500 HD, 2015 GMC Sierra 1500, 2015 Chevrolet Silverado 3500 HD, and 2015 Chevrolet Silverado 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Theft Deterrent Module
GM3256788Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
WARNING:

Refer to Battery Disconnect Warning .

Preliminary Procedure

  1. Disconnect battery negative cable. Refer to Battery Negative Cable Disconnection and Connection (Dual Battery)Battery Negative Cable Disconnection and Connection (Single Battery) .
  2. Remove the steering column shroud. Refer to Steering Column Shroud Replacement (RPO N33)Steering Column Shroud Replacement (RPO N37) .
  3. Remove the ignition lock cylinder. Refer to Ignition Lock Cylinder Replacement .
1 Theft Deterrent Module Screw (Qty: 2)
CAUTION:

Refer to Fastener Caution .


Tighten 
1.5 N.m (13 lb in)
2 Theft Deterrent Module

Procedure

  1. Disconnect the electrical connector.
  2. Carefully unclip the bracket from ignition key housing.
  3. Refer to Control Module References for programming and setup information.