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Service bulletin ITS61815

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 id11037439
Published by NHTSA2026-09-22
Manufacturer's numberITS61815
Manufacturer's date2026-09-21
NHTSA componentFUEL/PROPULSION SYSTEM

NHTSA's summary

Instructions to remove and replace the transmission dipstick with updated dipstick markings to reduce oil quantity and mitigate oil expulsion through the breather.

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

Fuel system

Vehicles listed
NEW FLYER XDE352025 to 2026
NEW FLYER XDE402022 to 2026

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