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Service bulletin TT-15-011

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 id10184854
Published by NHTSA2020-12-28
Manufacturer's numberTT-15-011
Manufacturer's date2015-04-13
NHTSA componentELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER; EQUIPMENT

NHTSA's summary

176 Updated Speedkometer Conversion Rate Procedure. 2008-2010 model year conventional trucks. The Tech tip is to use with the updated cable and DX2 for changing the speedometer conversion rate. Please note that an updated cable can be provided through Tech Assist if it's returned once the repair has been completed.

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.

Components

Electrical system, Equipment and accessories, Instrument cluster

Vehicles listed
HINO CONVENTIONAL MODELS2008 to 2010

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