LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Saturn >> 2003 >> L300 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Programming >> Theft Deterrent Password Learn Procedure >> 10-Minute Learn Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

10-Minute Learn Procedure

NOTE: This procedure requires a Tech 2® scan tool and a Techline® terminal with current SPS (Service Programming System) software.
  1. Connect the Tech 2® to the vehicle.
  2. Select "Request Information" under "Service Programming".
  3. Disconnect the Tech 2® from the vehicle and connect it to a Techline® terminal.
  4. On the Techline® terminal, select "Theft Module Re-Learn" under "Service Programming".
  5. Disconnect the Tech 2® from the Techline® terminal and connect it to the vehicle.
  6. Turn ignition ON, with engine OFF.
  7. Select "VTD Re-Learn" under "Service Programming".
  8. Attempt to start the engine, then release the key to ON (vehicle will not start).
  9. Observe the SECURITY telltale, after approximately 10 minutes the telltale will turn OFF (the vehicle is now ready to relearn the Passlock® Sensor Data Code and/or password on the next ignition switch transition from OFF to CRANK).
  10. Turn OFF the ignition, and wait 5 seconds.
  11. Start the engine (the vehicle has now learned the password).
  12. With the Tech 2® (scan tool), clear any DTCs.
scientia non olet · About LEMON Manuals