# Service bulletin SIL 34\-1K2K\-19

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: 10170123
- Published by NHTSA: 2020\-01\-13
- Manufacturer's number: SIL 34\-1K2K\-19
- Manufacturer's date: 2019\-12\-17
- NHTSA component: EQUIPMENT ADAPTIVE/MOBILITY; POWER TRAIN; POWER TRAIN:CLUTCH ASSEMBLY

## NHTSA's summary

Details a procedure for trouble shooting the check transmission MIL based on DTC P2789

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10170123-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10170123-9999.pdf)

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

## Components

Equipment and accessories, Transmission and driveline, Clutch

## Trouble codes named

P2789

## Vehicles listed

- ALLISON 1000 SERIES TRANSMISSION
- ALLISON 2000 SERIES TRANSMISSION

JSON: [/v1/bulletins/10170123](/v1/bulletins/10170123)

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