#3619
January 24, 2020
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SUBJECT:

Allison TCM ReflashTM V6.2

MODELS AFFECTED:All 1000, 2000, 3000, 4000, 5000, 6000, 8000, 9000 Series Transmissions, TC10®
Transmissions and H 40/50 EPTM SystemIntroduction:
Effective December 2019, Allison Transmission, Inc. is pleased to announce the release of Allison TCM ReflashTM
V6.2. The intent of this Service Information Letter (SIL) is to inform the Allison Service Channel of the new version
and provide an overview of new features and improvements.

Installation of Allison TCM ReflashTM V6.2 – Full Install:
A new user wishing to install the Allison TCM ReflashTM program on his/her PC for the first time must start bydownloading the Allison TCM ReflashTM V6.2 Full Install executable file from the Allison HUB. The download file,
as well as the minimum PC platform requirements, can be found under the Allison HUB menu options at the top of
the home page. Go to Allison HUB >> SERVICE >> Allison TCM Reflash. At the bottom of the page is the TCM
Reflash Downloads section. Choose 'Allison TCM ReflashTM V6.2 Full Install'.
Allison TCM ReflashTM V6.2 is a mandatory update. Shortly after Allison Transmission, Inc. has made the V6.2
install available, existing users will be automatically updated to Allison TCM ReflashTM V6.2 the next time the userlogs into the program while connected to the Internet. The user must accept the update to V6.2 to continue useof the Allison TCM ReflashTM program.
CAUTION: Previous calibrations/downloads will not be migrated during an update to Allison TCM
ReflashTM V6.2 if your current version is V5.x or earlier. Calibration downloads do carry over from V6.x toV6.2. A user may log in prior to the update and record any calibrations/downloads that will be needed.
Hint: Select each database and then from the Reports menu, select 'Print Calibration List'.
.NET Framework 4.7.2 or later is required for Allison TCM ReflashTM V6.2. The installation program checks for the.NET 4.7.2 Framework and alerts the user if .NET 4.7.2 or later is not detected. If a .NET update is required, the.NET Framework 4.7.2 Runtime download is available online from Microsoft®.
Once the Allison TCM ReflashTM V6.2 setup.exe file has been downloaded, the user should launch the executable
file by double-clicking on it and follow the onscreen instructions.
Installation of Allison TCM ReflashTM V6.2 is as follows:
1. Click on the download link for the Allison TCM ReflashTM file. Select “Save” to store the file on user’s
local machine.

SF / SL8629EN

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Copyright © 2020 Allison Transmission, Inc. All Rights Reserved.

#3619January 24, 2020
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2. Double-click to launch the TRF62Installer.exe and follow the on-screen instructions provided by the installer
program.
NOTE: In order to install and run Allison TCM ReflashTM on Microsoft Windows 7 and Microsoft Windows
10, the user must have full administrator privileges and must have the User Account Control featureturned OFF.

New Features and Improvements:• Includes 4th Generation T14A TCM (replacement for A46 TCM) support.
• Adds latest Read/Write program version 15.2.79.0

Translators Tested with Allison TCM ReflashTM V6.2:
Translator devices listed below were tested with the following minimum driver levels:• DG Technologies DPA4 Plus – DR121032 V2.20 and DPA4PMA V2.02• DG Technologies DPA5 – 2.05
• Noregon Wireless/USB Translator – 4.0.7005.1• Noregon Wireless/USB Translator 2.0 – 4.0.7005.1• NEXIQTM USB-LinkTM – 9.6.0.2• NEXIQTM USB-LinkTM2 – 2.6.0.24
Allison Transmission recommends installing the latest drivers for translator devices to optimize the performanceof Allison TCM ReflashTM V6.2.
For installation or connection issues, please contact Noregon Support at:
US & Canada: 877-659-6913
International: 336-970-5534

Copyright © 2020 Allison Transmission, Inc. All Rights Reserved.