# Service bulletin SM 23\-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: 10240586
- Published by NHTSA: 2023\-08\-12
- Manufacturer's number: SM 23\-01
- Manufacturer's date: 2023\-08\-11
- NHTSA component: POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES; POWER TRAIN; ENGINE AND ENGINE COOLING

## NHTSA's summary

A motor high temperature error can display on the instrument cluster when the OEM coolant valve in the closed position restricting coolant flow through the high voltage propulsion motor.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10240586-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10240586-9999.pdf)

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

## Components

Engine, Transmission and driveline, Automatic transmission

## Vehicles listed

- 2019 BLUE BIRD ALL AMERICAN
- 2020 BLUE BIRD ALL AMERICAN SCHOOL BUS
- 2020 BLUE BIRD BBCV
- 2019 to 2020 BLUE BIRD T3FE
- 2019 to 2023 BLUE BIRD T3RE
- 2019 BLUE BIRD VISION
- 2020 to 2023 BLUE BIRD VISION SCHOOL BUS

JSON: [/v1/bulletins/10240586](/v1/bulletins/10240586)

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