2019 CHEVROLET SILVERADO 5500HD TSBs (2)

Bulletin:: PIE0462
Component:: 110000 electrical system
Summary:: This engineering informational bulletin is requesting information from the filed on vehicles that have the condition of trailer electrical not working as intended and/or trailer message displayed.
Bulletin:: 18157
Component:: 080000 fuel system, diesel
Summary:: 18157 - customer satisfaction program. certain low cab forward vehicles, equipped with diesel engines, may have a condition in which the fuel tank sub unit float arm in the rear-mounted fuel tank may become disconnected causing the fuel gau