Temperature blend and recirculation doors commonly fail. Causes AC modes not to change or the temperature to differ between the left and right sides.

Jeep Grand Cherokee model years affected: 1994, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016.

Repair requires replacing blend air doors, recirculation door, door link, HVAC sub-assembly housing, new heating, ventilation, and AC (HVAC) sub-assemblies.