2003 Saturn L200 AutomaticFACTORY OEM SERVICE PROCEDURE

30-Minute Learn Procedure

  1. Turn ignition on, with engine off.
  2. Attempt to start engine, then release the key to ON, vehicle will not start.
  3. Observe the SECURITY telltale, after about 10 minutes the telltale will turn OFF.
  4. Turn ignition off and wait 5 seconds.
  5. Repeat steps Β 1-Β 4 two more times for a total of 3 cycles/30 minutes, 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 engine.
  7. Start engine, the vehicle has now learned the Passlock(tm) sensor data code and/or password.
  8. With a scan tool, clear any DTCs if needed. History DTCs will self clear after 100 ignition cycles.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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