# Other SIL 11\-TR\-26

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: Other
- NHTSA id: 11034553
- Published by NHTSA: 2026\-07\-07
- Manufacturer's number: SIL 11\-TR\-26
- Manufacturer's date: 2026\-06\-12
- NHTSA component: POWER TRAIN
- Manufacturer's system: Transmission

## NHTSA's summary

Notice with recommendation for resolving DTC related to output shaft speed sensor

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11034553-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11034553-9999.pdf)

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

## Components

Transmission and driveline

## Vehicles listed

- ALLISON 1000 SERIES TRANSMISSION
- ALLISON 2000 SERIES TRANSMISSION
- ALLISON 3000 SERIES TRANSMISSION
- ALLISON 4000 SERIES TRANSMISSION

JSON: [/v1/bulletins/11034553](/v1/bulletins/11034553)

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