# Service bulletin ITS61783

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.

- Type: Service bulletin
- NHTSA id: 11034102
- Published by NHTSA: 2026\-06\-26
- Manufacturer's number: ITS61783
- Manufacturer's date: 2026\-06\-11
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

Instructions for uploading a program to move existing J1939 message routing from DPS instrument cluster to PVSG.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11034102-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11034102-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system

## Vehicles listed

- 2025 NEW FLYER XCELSIOR

## Other bulletins for the same vehicles and component

- [TSIB 26\-06](/bulletins/11032698.md), 2026-05-14, Service bulletin: ELECTRICAL SYSTEM. Bulletin to follow when replacing LV batteries on buses equipped with certain Vanner battery equalizers.

JSON: [/v1/bulletins/11034102](/v1/bulletins/11034102)

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