One problem related to transmission not go into gear has been reported for the 2015 GMC Yukon. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2015 GMC Yukon based on all problems reported for the 2015 Yukon.
When shifting into gear from a child start, the vehicle takes approximately 3 seconds to shift. During that time the vehicle is not in gear and can roll in any direction. There is a software fix for this that I must pay the dealer to install. This happens every cold start.