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Home >> Chevrolet >> 2003 >> Astro Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 249 (Engine Controls Self-Diagnostics - 2.2L) >> Programming >> Programming Theft Deterrent System Components >> 10 Minute Learn Procedure
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10 Minute Learn Procedure

WARNING: This page is about a different car, the 2003 Pontiac Sunfire, 2003 Pontiac Grand Am, 2003 Oldsmobile Alero, and 2003 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition switch to RUN position, engine OFF.
  2. Attempt to start the engine, then release the key to ON (vehicle will not start).
  3. Observe the SECURITY telltale, after approximately 10 minutes the telltale will turn OFF.
  4. Turn OFF the ignition, and wait 5 seconds.
  5. The vehicle is now ready to relearn the Passlock(tm) Sensor Data Code and/or passwords on the next ignition switch transition from OFF to CRANK.
  6. NOTE: The vehicle learns the Passlock(tm) Sensor Data Code and/or password on the next ignition switch transition from OFF to CRANK. You must turn the ignition OFF before attempting to start the vehicle.
  7. Start the engine. The vehicle has now learned the Passlock(tm) Sensor Data Code and/or password.
  8. Using a scan tool, clear any DTCs if needed. History DTCs will self clear after 100 ignition cycles.