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10-Minute Relearn Procedure

NOTE:

When replacing theft deterrent control module with an GM Service Parts Operation (SPO) replacement part, module will learn keys immediately. The existing Powertrain Control Module (PCM) must learn the new fuel continue password when replacing theft deterrent control module.

When replacing PCM with a GM SPO replacement part, new PCM will learn incoming fuel continue password immediately after programming and upon receipt of a password message. Once password message is received and password is learned, perform the learn procedure to change this password again. A PCM which had been installed in another vehicle will have learned the fuel continue password of the other vehicle's theft deterrent control module. Perform either 10-minute relearn procedure or 30-minute relearn procedure after programming to learn fuel continue password of current vehicle's theft deterrent control modules.

When performing either relearn procedure, all previously learned keys will be erased from theft deterrent control module's memory.

Additional keys may be learned immediately after first relearn procedure by inserting additional key and turning ignition switch to RUN position within 10 seconds of removing previously learned key.

Use only a master key when performing first relearn procedure. If valet key is used first, theft deterrent control module will not allow additional keys to be learned.

Use this procedure after replacing following components:

  1. Connect scan tool to Data Link Connector (DLC). DLC is located under left side of instrument panel.
  2. Turn ignition switch to RUN position.
  3. Insure that all power consuming devices are turned Off on vehicle.
  4. Using scan tool, select REQUEST INFO function under service programming System (SPS) and follow scan tool on-screen instructions.
  5. Disconnect scan tool from the vehicle and connect scan tool to a Techline terminal with current SPS software.
  6. From Techline terminal, select SPS and follow Techline terminal on-screen instructions.
  7. Disconnect scan tool from Techline terminal and re-connect scan tool to vehicle.
  8. With a master PASS-key® III key, turn ignition switch to RUN position.
  9. Using scan tool, select PROGRAM ECU function under service programming System.
  10. At this point scan tool must remain connected for duration of 10-minute relearn procedure.
    11. NOTE: On some vehicles SECURITY indicator maybe illuminated duration of the 10-minute relearn procedure.
  11. Observe scan tool, after approximately 10 minutes scan tool will display "Programming Successful, Turn OFF Ignition". Vehicle is now ready to relearn the key information and/or passwords on next ignition switch transition from OFF to RUN.
  12. Turn ignition switch to OFF position and wait 5 seconds.
    13. NOTE: Perform following 2 steps ONLY on vehicles with EXPORT configured theft deterrent control modules.
  13. With a master PASS-key® III key, start vehicle. Theft deterrent control module has now learned key transponder information and PCM has now learned the fuel continue password.
  14. Turn ignition switch to OFF position and wait at least 15 seconds.
  15. With a second master PASS-key® III key, start vehicle. Theft deterrent control module has now learned second master PASS-key® III key transponder information.
  16. Using scan tool, clear any DTCs.
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