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Service bulletin SB-317

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 id10029485
Published by NHTSA2009-07-10
Manufacturer's numberSB-317
Manufacturer's date2009-03-28
NHTSA componentELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:MANUAL TRANSMISSION

NHTSA's summary

MOTORCOACH INC.: AN UPGRADE TO THE SOFTWARE PROGRAM IS REQUIRED ON CERTAIN MC1 E4500 AND J4500 COACHES EQUIPPED WITH ALLISON GEN IV B500 TRANSMISSIONS. MODEL YEARS UNKNOWN. *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, Transmission and driveline, Manual transmission, Software

Vehicles listed
MCI E45002000 to 2008
MCI J SERIES
MCI J45002000 to 2009

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