# Service bulletin S26DW

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: 11031740
- Published by NHTSA: 2026\-04\-30
- Manufacturer's number: S26DW
- Manufacturer's date: 2026\-04\-30
- NHTSA component: POWER TRAIN; ELECTRICAL SYSTEM

## NHTSA's summary

Blue Bird has identified a software issue affecting the Neutral\-at\-Stop feature. A software update is required in\-person at an authorized Allison Transmission Dealer.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11031740-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11031740-9999.pdf)

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

## Components

Electrical system, Transmission and driveline

## Vehicles listed

- 2024 to 2025 BLUE BIRD ALL AMERICAN SCHOOL BUS
- 2024 BLUE BIRD ALL AMERICAN TRANSIT BUS
- 2024 to 2025 BLUE BIRD S3FE
- 2024 to 2025 BLUE BIRD VISION SCHOOL BUS
- 2024 to 2025 BLUE BIRD VISION TRANSIT BUS

JSON: [/v1/bulletins/11031740](/v1/bulletins/11031740)

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