# Service bulletin SIL 12\-1K2K\-16

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: 10156823
- Published by NHTSA: 2019\-04\-08
- Manufacturer's number: SIL 12\-1K2K\-16
- Manufacturer's date: 2016\-01\-26
- NHTSA component: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); POWER TRAIN

## NHTSA's summary

Announces to service channel that the customer may experience the TCM not communicating with the vehicle or while using the Allison DOC tool.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2016/MC-10156823-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2016/MC-10156823-9999.pdf)

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

## Components

Transmission and driveline, Automatic transmission, Transmission control module

## Vehicles listed

- ALLISON 1000 SERIES TRANSMISSION
- ALLISON 2000 SERIES TRANSMISSION

JSON: [/v1/bulletins/10156823](/v1/bulletins/10156823)

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