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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 28 (Computer Relearn Procedures) >> Relearn Procedures (Trucks & Vans) >> Blazer, BRAVADA, Envoy, Jimmy, Pickup & SONOMA >> Passlock(TM) Anti-Theft Learn Procedure

Passlock(TM) Anti-Theft Learn Procedure

WARNING: This page does not describe the selected car, but rather 67 other vehicles, including the 2000 Saturn SW2, 2000 Saturn SL2, 2000 Saturn SL1, 2000 Saturn SL, and 2000 Saturn SC2. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition off. Replace failed component.
  2. With transmission in Park (A/T) or Neutral (M/T), turn ignition switch momentarily to START position (engine will not start), then leave in RUN position. SECURITY indicator will stay on for 10 minutes. After 10 minutes, when light turns off, turn ignition switch to OFF position for 5 seconds.
  3. Repeat step 2) twice more. Auto learn procedure will be completed during next start attempt. If VCM/PCM was replaced, reprogram VCM/PCM. See appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.
  4. Check for DTCs. If Passlock(TM) codes exist, go to ANTI-THEFT SYSTEMS - BLAZER, BRAVADA, ENVOY, JIMMY, SONOMA & S10 PICKUP article in ACCESSORIES & EQUIPMENT. If powertrain codes exist, go to applicable test. See appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.
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