# Service bulletin TSIB 25\-09

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: 11027707
- Published by NHTSA: 2026\-01\-20
- Manufacturer's number: TSIB 25\-09
- Manufacturer's date: 2026\-01\-07
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

Instructions to verify security of interior REI brand monitors on affected coaches.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11027707-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11027707-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2024 to 2025 MCI D4520
- 2023 to 2025 MCI J3500
- 2023 to 2026 MCI J4500
- 2023 MCI J4500E

JSON: [/v1/bulletins/11027707](/v1/bulletins/11027707)

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