WenmarOpen by Wenmar Pro

Service bulletins for the 2020 Chevrolet 5500XD

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

276 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
070089037Q2021-08-09. Service bulletin. EQUIPMENT. This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
060089029Q2020-06-01. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles.
16NA3832020-03-02. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM. This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.