LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2001 >> DeVille Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Body Control Modules >> Programming >> Theft Deterrent System Components >> 10-Minute Relearn Procedure (Using Scan Tool)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

10-Minute Relearn Procedure (Using Scan Tool)

  1. Connect a scan tool to the vehicle. Turn ignition on. Insure all power consuming devices on vehicle are turned off.
  2. With a scan tool, select REQUEST INFO under SERVICE PROGRAMMING SYSTEM and follow the scan tool on-screen instructions.
  3. Disconnect the scan tool from the vehicle and connect the scan tool to a Techline(R) terminal with the current Service Programming System (SPS) software.
  4. On the Techline(R) terminal, select SERVICE PROGRAMMING SYSTEM and follow the on-screen instructions.
  5. Disconnect the scan tool from the Techline(R) terminal and reconnect the scan tool to the vehicle. With a master passkey III key, turn ignition on with the engine off. Scan tool must remain connected for the duration of the 10-minute relearn procedure. On some vehicles the SECURITY indicator may remain illuminated for the duration of the 10-minute relearn procedure.
  6. 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 ignition key information and passwords the next time the ignition switch is turned on and off. Turn ignition off and wait 5 seconds. With a master Passkey III key (Black), start vehicle. The theft deterrent control module has now learned the key transponder information and the PCM has now learned the fuel continue password.
    7. CAUTION: Perform this step ONLY on vehicles with EXPORT (RPO code Z49 export Canadian modified mandatory base equipment) configured theft deterrent control modules.
  7. Turn ignition off and wait 15 seconds or more. With a second master passkey III key, start the vehicle. The theft deterrent control module has now learned the second master Passkey III key transponder information With a scan tool, clear any DTCs.
scientia non olet · About LEMON Manuals