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Home >> GMC >> 2003 >> Envoy RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Self-Diagnostics - 4.2L >> Programming >> Theft Deterrent Learn Procedure >> 10-Minute Learn Procedure
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10-Minute Learn Procedure

NOTE: Tools required are Tech 2™ scan tool and Techline® terminal with current Service Programming System (SPS) software.
  1. Connect the Tech 2™ to vehicle.
  2. Select "Request Information" under "Service Programming".
  3. Disconnect the Tech 2™ from 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 engine, then release the key to ON (vehicle will not start).
  9. Observe the SECURITY telltale, after about 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 ignition off, and wait 5 seconds.
  11. Start engine (vehicle has now learned the password).
  12. With Tech 2™ scan tool, clear any DTCs.
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