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Home >> GMC >> 1999 >> Forward Control 6.5 F, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 12 (Computer Relearn Procedures) >> General Motors (Trucks & Vans) >> Escalade, Pickup, Sierra, SILVERADO, TAHOE, YUKON & YUKON XL >> Password Learn Procedure For Anti-Theft System (4.3L, 4.8L, 5.3L & 6.0L)

Password Learn Procedure For Anti-Theft System (4.3L, 4.8L, 5.3L & 6.0L)

WARNING: This page does not describe the selected car, but rather 98 other vehicles, including the 2001 Saturn SW2, 2001 Saturn SL2, 2001 Saturn SL1, 2001 Saturn SL, and 2001 Saturn SC2. However, it is still accessible from the selected car via links, so may be relevant.
  1. Password relearn procedure must be performed if Passlock® sensor, BCM, PCM or VCM are replaced. Ensure battery is fully charged.
  2. Using scan tool, clear DTCs. Turn ignition switch from OFF to CRANK position, allowing vehicle to try and start. Vehicle will start and then stall. Leave ignition switch turned to ON position while observing SECURITY indicator on instrument panel. When security indicator turns off (after about 10 minutes), turn ignition off. Wait 10 seconds. Repeat this step 3 more times. New password will be learned on next start attempt.
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