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Warranty 1 year
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Free installation
Allison TCM Reflash 6.3 is a powerful tool designed for professionals working with Allison automatic transmissions. It provides access to TCM calibration, programming, and reflash features for various on-highway and off-highway applications.
| Brand |
ALLISON |
|---|---|
| Software type |
REPROGRAMMING |
| License time |
5 YEAR |
| Option |
INSTALLATION 1 PC ,FULL SOFTWARE (UNLIMITED INSTALL) |
$69.00 – $299.00
Payment Methods:
Allison TCM Reflash 6.3 is specialized software developed to communicate with Allison Transmission Control Modules (TCM) and perform functions such as reading, writing, and updating calibration files. It’s widely used in workshops, fleets, and service centers working on heavy-duty trucks, buses, and vocational equipment using Allison transmissions.
This version provides enhanced support for both Gen 4 and Gen 5 Allison TCMs and is compatible with multiple OEM platforms.

🛠️ TCM Calibration Read/Write
🔄 Reflash and Update TCM with OEM Files
🧩 Supports GEN 4 & GEN 5 Allison TCMs
📊 View & Modify Parameters (if allowed)
💾 Backup and Restore TCM Data
⚙️ Compatible with OEM Programming Files (CAL files)
🔧 Troubleshooting & Diagnostics via TCM data
💻 Works with RS232, Nexiq USB Link, or DGTech Adapter
Allison TCM Reflash 6.3 is compatible with a wide range of OEMs using Allison transmissions, including:
Freightliner trucks
International/Navistar
GMC/Chevy medium-duty trucks
Blue Bird & Thomas Built buses
Isuzu NPR/NQR with Allison AT/MT
Hino with 300/500 series (Allison-equipped)
Ford F-Series trucks with 1000/2000 series
Kenworth, Peterbilt (medium/heavy-duty)
| Component | Minimum Requirement |
|---|---|
| OS | Windows 7, 8, 10, 11 (64-bit) |
| Processor | Intel i3 or higher |
| RAM | 4GB (8GB recommended) |
| Storage | 2GB free disk space |
| Interface Required | Nexiq USB-Link / DGTech / RS232 |
To use this software effectively, the following hardware adapters are supported:
✅ Nexiq USB Link 1 & 2
✅ DGTech DPA 5
✅ RS232 Serial Port (via USB-to-RS232 converter)
❗ Note: Bluetooth adapters are not recommended due to potential instability during reflash procedures.
✅ Full Allison TCM Reflash 6.3 Software
✅ Access to OEM calibration file compatibility (user must provide)
✅ Setup via remote support (TeamViewer)
✅ Step-by-step installation guide (PDF)
✅ Lifetime activation (1 PC)
✅ Bonus: Remote calibration setup consultation
🌎 Trusted by workshops worldwide
🛠️ Remote installation via TeamViewer
🔒 Secure software – no keygen needed
📈 Lifetime updates available
🎯 Expert support for transmission & ECU software
Full support included – our technicians can help you install, activate, and connect the software remotely via TeamViewer or AnyDesk.
🎁 Bonus: Remote support, Remote Install & guidebook included with every purchase.
👉 Request Download / Contact for Demo
👉 Refer Diagnostic Software for Allison
📞 WhatsApp: +1 (903) 805-5459
🌐 Website: autotech-diesel.com
💬 Remote setup available worldwide
👉 Fully Service 24/7
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