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Service bulletin TSB 624

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 id11029125
Published by NHTSA2026-03-02
Manufacturer's numberTSB 624
Manufacturer's date2026-03-02
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

The ATC OASIS-GEN1-1A (Newmar # 165355) controller will randomly fail to turn a furnace blower ON or OFF when the ATC HVAC-GEN1-2A1 (Newmar # 00300876-AA) sends a VBUS command.

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.

Vehicles listed
NEWMAR DUTCH STAR2026
NEWMAR ESSEX2026
NEWMAR GRAND STAR2026
NEWMAR KING AIRE2026
NEWMAR LONDON AIRE2026
NEWMAR MOUNTAIN AIRE2026
NEWMAR NEW AIRE2026
NEWMAR SUMMIT AIRE2026
NEWMAR SUPER STAR2026
NEWMAR SUPREME AIRE2026
NEWMAR VENTANA2026

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