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Service bulletin IS21-072

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 id10213317
Published by NHTSA2022-06-06
Manufacturer's numberIS21-072
Manufacturer's date2022-05-16
NHTSA componentSTEERING; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM

NHTSA's summary

STEERING GATEWAY schematic

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

Electrical system, Equipment and accessories, Labels and manuals, Steering

Vehicles listed
PREVOST H3-412017 to 2019
PREVOST H3-452017 to 2022
PREVOST H3-45 VIP2019
PREVOST X32019 to 2020
PREVOST X3 COACH2020 to 2022
PREVOST X3 COM2020 to 2022
PREVOST X3 COMMUTER2019
PREVOST X3-452017 to 2022
PREVOST X3-45 COMMUTER2019 to 2022
PREVOST X3-45 VIP2019 to 2022
PREVOST X3VIP2019
VOLVO BUS 97002017 to 2019

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