# Service bulletin TT8136 Rev A

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: 10190579
- Published by NHTSA: 2021\-04\-26
- Manufacturer's number: TT8136 Rev A
- Manufacturer's date: 2021\-03\-25
- NHTSA component: POWER TRAIN

## NHTSA's summary

Tip for technicians to avoid a conflict with the engine controller when re\-programming the transmission

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10190579-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10190579-9999.pdf)

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

## Components

Transmission and driveline

## Vehicles listed

- ALLISON TRANSMISSION

JSON: [/v1/bulletins/10190579](/v1/bulletins/10190579)

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