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Service bulletin IK0300078

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 id11020330
Published by NHTSA2025-07-08
Manufacturer's numberIK0300078
Manufacturer's date2025-06-18
Campaign id or software versionIK0300078
NHTSA componentSUSPENSION

NHTSA's summary

Title : Correct Driveline Angles and Their Relationship with the Truck Suspension Applies To : all truck & bus (including BEV / EV)

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

Suspension

Vehicles listed
IC BUS EVSB2022 to 2025

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