One problem related to automatic transmission has been reported for the 2009 GMC Yukon. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2009 GMC Yukon based on all problems reported for the 2009 Yukon.
Transmission issues especially in downshifting.
| Power Train problems | |
| Automatic Transmission problems | |
| Transmission Gear Slipping problems |