Service bulletin TSIB 26-01
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 | 11032280 |
| Published by NHTSA | 2026-05-06 |
| Manufacturer's number | TSIB 26-01 |
| Manufacturer's date | 2026-05-06 |
| NHTSA component | ELECTRICAL SYSTEM |
NHTSA's summary
This TSIB provides information to provide a software update. Some coaches using MCC HVAC Eco-Tempo ECU # 07-10-009 software T35-1581 / V1.04 may be experiencing random fault codes due to MCC software errors.
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
| MCI D4000 | 2019 to 2022 |
|---|---|
| MCI D4000ISTV | 2019 to 2023 |
| MCI D4005 | 2019 to 2021 |
| MCI D4020ISTV | 2024 to 2025 |
| MCI D4500 | 2019 to 2024 |
| MCI D4505 | 2019 to 2024 |
| MCI D4520 | 2020 to 2025 |
| MCI D45CRT | 2024 to 2025 |
| MCI D45CRTE | 2024 |
| MCI D45CRTELE | 2021 to 2024 |
| MCI D45CRTLE | 2019 to 2025 |
| MCI J3500 | 2019 to 2025 |
| MCI J4500 | 2019 to 2026 |
| MCI J4500E | 2020 to 2021 |
| MCI J4500E | 2023 |
| MCI J4500E | 2025 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.