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Service bulletin KC-321

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 id10207012
Published by NHTSA2022-02-04
Manufacturer's numberKC-321
Manufacturer's date2022-01-07
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Cummins Powerplant - Fault Code SPN 1081 FMI 31 - Engine Wait to Start Lamp, Condition Exists - Model Year 2018

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
VOLVO VOLVO TRUCK

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