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Service bulletin SB-48

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 id10058558
Published by NHTSA2015-10-09
Manufacturer's numberSB-48
Manufacturer's date2015-08-05
NHTSA componentEQUIPMENT

NHTSA's summary

TIFFIN MOTORHOMES: TSB CONTAINS AN OWNER NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. INFORMATION PROVIDED ON INSTRUCTIONS FOR INSTALLING LOCK WASHERS FOR HOUSE BATTERY DISCONNECT SOLENOID. MODEL 2016 ALLEGRO RED, PHAETON AND ALLEGRO BUSSES. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Equipment and accessories

Vehicles listed
TIFFIN ALLEGRO BUS2015
TIFFIN ALLEGRO RED2015
TIFFIN PHAETON2015

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