Mack Trucks Control Box Overheating

December 3, 2012
NHTSA Campaign ID Number : 12V519

Mack Trucks is recalling certain model year 2008-2009 GU, LEU, and MRU trucks, manufactured from December 12, 2007, through May 8, 2008 and equipped with a certain focal mounted retarder control box. The control box may lose its electrical ground.