GM Service Manual Online
For 1990-2009 cars only

Each of the following service procedures requires programming or setup procedures to be performed on the theft deterrent control module.

Theft Deterrent Control Module Replacement

If the theft deterrent control module is replaced, the following procedures must be performed:

  1. Set Up a New Theft Deterrent Control Module--Refer to Immobilizer System Component Programming .
  2. 10-Minute Relearn Procedure or 30-Minute Relearn Procedure--Refer to Immobilizer System Component Programming .

Replacing Keys

If a key is replaced, the following procedure must be performed:

Replacing keys--Refer to Replacing Keys .

Adding Keys

If a key is being added, the following procedure must be performed:

Adding keys--Refer to Adding Keys .