# 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.

- Type: Service bulletin
- NHTSA id: 11029125
- Published by NHTSA: 2026\-03\-02
- Manufacturer's number: TSB 624
- Manufacturer's date: 2026\-03\-02
- NHTSA component: UNKNOWN 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

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11029125-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11029125-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Vehicles listed

- 2026 NEWMAR DUTCH STAR
- 2026 NEWMAR ESSEX
- 2026 NEWMAR GRAND STAR
- 2026 NEWMAR KING AIRE
- 2026 NEWMAR LONDON AIRE
- 2026 NEWMAR MOUNTAIN AIRE
- 2026 NEWMAR NEW AIRE
- 2026 NEWMAR SUMMIT AIRE
- 2026 NEWMAR SUPER STAR
- 2026 NEWMAR SUPREME AIRE
- 2026 NEWMAR VENTANA

JSON: [/v1/bulletins/11029125](/v1/bulletins/11029125)

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