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Service bulletin TT7780EN

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 id10078789
Published by NHTSA2016-08-18
Manufacturer's numberTT7780EN
Manufacturer's date2016-03-01
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

PACCAR NORTH AMERICA MY 2016 VEHICLES AND ALLISON ELECTRONICS SERVICE TOOLS REQUIRE A SPECIFIC CONNECTOR PIN.

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

Vehicles listed
PACCAR PACCAR

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