Mack Trucks, Inc. (Mack) notified the agency on February 20, 2014, that they are recalling certain model year 2010-2012 CHU, CXU, GU and TD vehicles manufactured from June 16, 2009, through July 8, 2011. While continuing to research the scope of the issue...
Electrical system
Mack GU Electrical problems by year
1 complaints filed with NHTSA about the Mack GU's electrical system. Dead batteries, warning lights, wiring, alternators, infotainment and electronic module failures.
Electrical complaints by model year
Electrical recalls
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.
Mack trucks is recalling certain model year 2008-2011 gu heavy trucks manufactured from september 12, 2007, through april 8, 2011, with a four battery cable design. As a result of the routing and clipping used, the battery cables may come into contact with...
Latest GU electrical complaints
Wipers do not work and the tractor lights turn off ALL of the lights the trailer lights go out as well the fuse for these electrical components gets very hot, this makes it very dangerous when driving at night and when it's raining. The driver has to pull over till he can get the lights to come back on
Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data