One problem related to anti-theft controller has been reported for the 2000 GMC Yukon. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2000 GMC Yukon based on all problems reported for the 2000 Yukon.
My 2000 Yukon denali old body style with passlock 1. Many times it will not start due to a problem with the passlock system. I have brought it into the dealer for not to find the problem many times and being charged an hour for nothings. I drive and the light comes on all the time.