# Service bulletin TSIB 25\-07

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: 11022211
- Published by NHTSA: 2025\-08\-29
- Manufacturer's number: TSIB 25\-07
- Manufacturer's date: 2025\-08\-21
- NHTSA component: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM

## NHTSA's summary

This Bulletin is being issued due to New Flyer \& MCI have received reports that customers are re\-torquing high\-voltage \(HV\) connections during preventative maintenance inspections as outlined in the Preventive Maintenance section of the Service or Maintenance manual. This Bulletin reminds operators that the inspection procedure is visual only and does not require retorque unless the witness marks indicate the fasteners have loosened.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11022211-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11022211-9999.pdf)

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

## Components

Electrical system, Fuel system

## Vehicles listed

- 2024 MCI D45CRTE
- 2021 to 2024 MCI D45CRTELE
- 2023 MCI J4500E
- 2025 MCI J4500E

JSON: [/v1/bulletins/11022211](/v1/bulletins/11022211)

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