Chrysler is recalling certain model year 2011-2013 Sebring and 200 vehicles manufactured June 28, 2011, through December 13, 2012; model year 2011-2013 Dodge Avenger vehicles manufactured June 25, 2011, through January 14, 2013; model year 2011-2012 Dodge Nitro vehicles manufactured June 17, 2011, through December 15, 2011; and model year 2011-2012 Jeep Liberty vehicles manufactured June 17, 2011, through August 15, 2012. Electrical over-stress of a resistor in the occupant restraint control module may lead to the non-deployment of the active head restraints during a rear impact collision.