GM Service Manual Online
For 1990-2009 cars only

Important: 

   • When replacing a theft deterrent module (TDM) with a GM SPO Replacement Part, ensure the procedure to setup a new theft deterrent module is performed prior to the 10-minute relearn procedure.
   • When performing the 10-Minute Relearn Procedure, all previously learned keys will be removed from the TDM memory. Additional keys may be learned after the completeion of the 10-Minute Relearn Procedure by using the Adding Keys procedure.

Set Up a New Theft Deterrent Module

Use this procedure only if replacing the TDM with a GM SPO Replacement Part.

  1. Connect a scan tool to the vehicle.
  2. Turn ON the ignition, with the engine OFF.
  3. Ensure that all power consuming devices are turned OFF on the vehicle.
  4. With a scan tool, select Request Info. under Service Programming System and follow the scan tool on-screen instructions.
  5. Disconnect the scan tool from the vehicle and connect the scan tool to a Techline Terminal with the current Service Programming System (SPS) software.
  6. On the Techline Terminal, select Service Programming System and follow the Techline Terminal on-screen instructions. Ensure the correct programming selection is chose based on component being replaced or programmed. For this procedure, choose the TDM (Theft Deterrent Module) menu selection.
  7. Disconnect the scan tool from the Techline Terminal and re-connect the scan tool to the vehicle.
  8. Turn ON the ignition with the engine OFF.
  9. With a scan tool, select Program ECU under Service Programming System and follow the on-screen instructions.
  10. Turn OFF the ignition.

10-Minute Relearn Procedure

Important: Use only a master key when performing the first relearn procedure. If a valet key is used first, the TDM will not allow additional keys to be learned.

Use this procedure after replacing any of the following components:

    • The vehicle keys.
    • The TDM.

    Important: When replacing a TDM with a GM SPO Replacement Part, ensure the procedure to setup a new theft deterrent module is performed prior to the 10-minute relearn procedure.

  1. Connect a scan tool to the vehicle.
  2. Turn ON the ignition, with the engine OFF.
  3. Ensure that all power consuming devices are turned OFF on the vehicle.
  4. With a scan tool, select Request Info. under Service Programming System and follow the scan tool on-screen instructions.
  5. Disconnect the scan tool from the vehicle and connect the scan tool to a Techline Terminal with the current Service Programming System (SPS) software.
  6. On the Techline Terminal, select Service Programming System and follow the Techline Terminal on-screen instructions. Ensure the correct programming selection is chose based on component being replaced or programmed. For this procedure, choose the Vehicle Theft Deterrent menu selection.
  7. Disconnect the scan tool from the Techline Terminal and re-connect the scan tool to the vehicle.
  8. With a master vehicle key, turn ON the ignition with the engine OFF.
  9. With a scan tool, select Program ECU under Service Programming System.
  10. At this point the scan tool must remain connected for the duration of the 10-minute relearn procedure.
  11. Important: 

       • The scan tool will initially display 12 Minutes. The first 2 minutes allow the scan tool to initialize the appropriate control module. The remaining 10 minutes is the relearn timer.
       • On some vehicles the security indicator may be illuminated for the duration of the 10-minute relearn procedure.

  12. Observe the scan tool, after approximately 10 minutes the scan tool will display "Programming Successful, Turn OFF Ignition". The vehicle is now ready to relearn the key information and/or the passwords on the next ignition switch transition from OFF to CRANK.
  13. Turn OFF the ignition and wait 2 minutes.
  14. With a master vehicle key, turn the ignition to the RUN position for 15 seconds, then start the vehicle. The TDM has now learned the key transponder information and the ECM has learned the fuel continue password.
  15. With a scan tool, clear any DTCs.