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Password Learn Procedure

NOTE: Password must be learned when Passlock(tm) sensor, Body Control Module (BCM) or Powertrain Control Module (BCM) is replaced. BCM must be programmed with proper Regular Production Option (RPO) configurations before preforming relearn procedures. If PCM is replaced, after programming, PCM will immediately learn the first password it receives. If password needs to be changed, learn procedure will need to be performed.
  1. Clear all DTCs. Turn ignition off. Replace component(s) as necessary.
  2. With transmission in Park (A/T) or Neutral (M/T), turn ignition switch momentarily to START position (engine will not start). Leave ignition in RUN position (engine off). If Passlock(tm) sensor was replaced, SECURITY indicator light will flash for 10 minutes. If Passlock(tm) module was replaced, SECURITY indicator light will flash for a few seconds, then stay on for 10 minutes. If PCM was replaced with a new PCM, vehicle may start and procedure may not be needed. If replacement PCM was used even momentarily, SECURITY indicator light will flash for a few seconds, then 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. Ignition switch must be turned to OFF position. Auto learn procedure will be completed during next start attempt. Clear all DTCs.
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