2007 Aspen, digital Climate Control Rear Settings Issue
 

Would like to know if someone can help me figure out my climate control problem. On my 2007 Aspen when I start the vehicle i can adjust the Climate settings for driver & passenger and other functions on the Climate Control, rear air is off. As soon as I hit the rear button my display changes to (00 00) and is locked out (no on/off or temp or direction settings for front) until vehicle is parked, turned off and left sitting for a few hours. Upon restarting front controls start working normal, until rear button is pressed. Thanks