# Service bulletin WATCH 501

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: 10076027
- Published by NHTSA: 2016\-07\-07
- Manufacturer's number: WATCH 501
- Manufacturer's date: 2016\-01\-01
- NHTSA component: POWER TRAIN:AUTOMATIC TRANSMISSION; ELECTRICAL SYSTEM:SOFTWARE

## NHTSA's summary

Allison Transmission 5th Generation Controls 2016 \(B161, C161, and D161\) Software Features and Enhancements Allison Transmission, Inc. \(ATI\) is pleased to announce the release of the Allison 5th Generation Controls 2016 \(B161, C161, and D161\) Software Features and Enhancements. This release will include enhanced software and calibrations for the Transmission Control Module \(TCM\).

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Electrical system, Transmission and driveline, Automatic transmission, Software

## Vehicles listed

- ALLISON DIV ALLISON DIV

JSON: [/v1/bulletins/10076027](/v1/bulletins/10076027)

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