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Service bulletin KC-551

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 id10208617
Published by NHTSA2022-03-03
Manufacturer's numberKC-551
Manufacturer's date2022-02-22
NHTSA componentPOWER TRAIN:MANUAL TRANSMISSION

NHTSA's summary

Automated Manual Transmission ( AMT ) I-Shift / mDRIVE ( Generation " F " ) - The PTO Disengages When Shifting From Neutral To Drive To Reverse Back To Neutral And Requires The PTO Switch To Be Cycled

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

Transmission and driveline, Manual transmission

Vehicles listed
VOLVO VOLVO TRUCK

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