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Service bulletin SB-S-12-TZ

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 id10044279
Published by NHTSA2012-06-04
Manufacturer's numberSB-S-12-TZ
Manufacturer's date2012-05-24
NHTSA componentELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS

NHTSA's summary

BLUE BIRD: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THE HYDRAULIC BRAKE INTERLOCK ON CERTAIN MODEL YEAR VISION BUSES MAY HAD INSTALLED THE CIRCUIT PROTECTION INCORRECTLY WHICH COULD LEAD TO CIRCUIT BREAKER TRIPPING PREMATURELY. *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

Electrical system, Wiring and fuses

Vehicles listed
BLUE BIRD VISION2011 to 2013

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