GMC TSB #PIT5039B
2009 GMC Sierra
Affected Component: STRUCTURE:BODY:BUMPERS
- Summary
- This Preliminary Information communication provides information to the technician about vehicles that the customer or up-fitter may have removed the rear bumper, install a different rear bumper, or add a different box/flat bed/cube box/hitch, etc. to the rear of the truck, which affects the rear park assist operation. Technician can disable the rear park assist for this concern.