Try the relearn. If it doesnt take care of it, you may have to have the BCM scanned for codes
GM PASS LOCK RELEARN- Ignition to "run" position, try to start and let key return to "run" position
Approx ten minutes security light will go off
Turn key "off" and wait 5 seconds
Repeat 2 more times for a total of 3 relearns.
Turn key off, then start it
Saturday, October 11th, 2008 AT 9:11 PM