One problem related to transmission shudder has been reported for the 2006 Jeep Commander. The most recently reported issues are listed below.
2006 Chrysler Jeep Commander---- for two years now it has an idle issue, car acts like its going to stall ,rpm gauge fluctuates when this occurs, have given Chrysler 11 opportunities to fix this problem, and they do not have a fix. Filed lemon, was told by the board my vehicle has a condition, however does not qualify as a lemon. Also has a shudder in transmission accelerating between 30 and 40 mph.