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Service bulletin KC-271

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 id10199741
Published by NHTSA2021-08-03
Manufacturer's numberKC-271
Manufacturer's date2021-07-29
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

"Intermittent Occurrences Of Very Brief Loss Of Power, Engine Stumble Or Hiccup Lasting Much Less Than A Second, Most Frequently Between 1500 And 1700 RPM, No Diagnostic Trouble Codes (DTC ) Generated - All Common Rail Fuel System Chassis"

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 VAH
VOLVO VNL1997 to 2022
VOLVO VNR

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