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Service bulletin ITS61122

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 id11007425
Published by NHTSA2024-09-07
Manufacturer's numberITS61122
Manufacturer's date2024-08-14
NHTSA componentELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM

NHTSA's summary

Instruction to Service for updating the battery program on certain ELFA2 buses for Improved BMS response to overcharging and other functional safety mechanisms, more robust detection of failure modes through DTCs, improving Battery Data Recorder (BDR) capabilities, streamlined flashing processes, and logic improvements for better integration with application.

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, Fuel system

Vehicles listed
NEW FLYER XDE352019 to 2022
NEW FLYER XDE402013
NEW FLYER XDE402018 to 2023
NEW FLYER XDE602018 to 2023

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