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Service bulletin 511317

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10195489
Published by NHTSA2021-06-09
Manufacturer's number511317
Manufacturer's date2021-04-12
NHTSA componentPOWER TRAIN; ENGINE AND ENGINE COOLING

NHTSA's summary

As per Field Service Notice SF617A, certain chassis have a shift actuator that may not downshift when requested.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine, Transmission and driveline

Vehicles listed
COACHMEN SPORTSCOACH2020 to 2021

Listing a model year does not mean every vehicle of it is concerned: the document says which.