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Service bulletin C2679A

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 id10253749
Published by NHTSA2024-05-01
Manufacturer's numberC2679A
Manufacturer's date2024-04-11
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

This campaign is being issued for Leyland DAF (PACCAR) Europe to address ETV Durability issue present on certain B6.7 and F4.5 engines, this document enables certified Leyland DAF (PACCAR) repair locations to update the ECM calibration on Leyland trucks.

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

Engine

Vehicles listed
CUMMINS B6.7

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