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Service bulletin TSB 490

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 id10127599
Published by NHTSA2018-01-29
Manufacturer's numberTSB 490
Manufacturer's date2017-12-14
NHTSA componentEQUIPMENT:MECHANICAL; ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL

NHTSA's summary

Newmar has decided to install an override switch for the HWH step to provide a way to operate the step from inside the coach in the event of a sensor or door switch failure. In the event of a step failure, the person(s) inside the coach would have a large gap between the door threshold and the ground. The person(s) may have to exit via the large gap or the emergency exit door to get out of the coach.

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

Electrical system, Equipment and accessories

Vehicles listed
NEWMAR ESSEX2017 to 2018
NEWMAR KING AIRE2017 to 2018
NEWMAR LONDON AIRE2017 to 2018

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