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Home >> Chevrolet >> 2002 >> Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL6 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls Self-Diagnostics - 5.7L - Bi-Fuel >> Programming >> Programming Theft Deterrent System Components >> 30-Minute Learn Procedure

30-Minute Learn Procedure

  1. Turn ignition on, with engine off.
  2. Attempt to start engine, then release key to ON. The vehicle will not start.
  3. Observe the SECURITY telltale, after about 10 minutes the telltale will turn OFF.
  4. Turn OFF ignition and wait 5 seconds.
  5. Repeat step  1 -  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 ignition OFF before attempting to start vehicle.
  6. Start engine. The vehicle has now learned the Passlock(tm) sensor Data Code and/or password.
  7. With a scan tool, clear any DTCs if needed. History DTCs will self clear after 100 ignition cycles.
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