Allison DOC® (Diagnostic Optimized Connection) is the official-grade diagnostic software for the full range of Allison automatic transmissions. This is a recent May 2021 release that includes critical support for the latest GEN5 electronic control systems, making it essential for servicing modern trucks, buses, and heavy-duty equipment. This package provides the complete diagnostic application along with a solution to enable all professional-level features.
Key Features:
• Full GEN5 Support: Provides complete diagnostic capability for the latest generation of Allison Transmission electronic controls (5th Generation TCMs).
• Advanced Dealer-Level Diagnostics: Perform in-depth troubleshooting, read and clear diagnostic trouble codes (DTCs), and view live data streams for all critical I/O parameters.
• Interactive Diagnostic Procedures: Run specialized diagnostic tests to pinpoint issues with solenoids, sensors, and other internal components.
• Transmission Re-Calibration: Access and adjust various TCM settings and shift parameters to optimize performance and efficiency.
• Complete System Health Check: Monitor critical transmission health indicators such as fluid life, filter life, and clutch performance.
• Full Functionality Enabled: This package includes the necessary software activator, providing access to all professional-level features without the need for a recurring subscription.
Supported Systems:
• Allison 1000, 2000, 3000, and 4000 Series Transmissions.
• On-Highway and Off-Highway applications.
• Transmissions equipped with GEN4 and the latest GEN5 Electronic Controls.
System Compatibility
This software has been fully tested and is confirmed to be working perfectly on Windows 10 LTSC (2019).
Disclaimer
• Source of Files: All software and resources provided in this post have been collected from public, open-source domains on the internet.
• User Responsibility: This is a professional tool for expert use. You, the user, assume all responsibility and risk. The authors of this post and the forum administration are not liable for any damage to your equipment or data that may result from its use.

Key Features:
• Full GEN5 Support: Provides complete diagnostic capability for the latest generation of Allison Transmission electronic controls (5th Generation TCMs).
• Advanced Dealer-Level Diagnostics: Perform in-depth troubleshooting, read and clear diagnostic trouble codes (DTCs), and view live data streams for all critical I/O parameters.
• Interactive Diagnostic Procedures: Run specialized diagnostic tests to pinpoint issues with solenoids, sensors, and other internal components.
• Transmission Re-Calibration: Access and adjust various TCM settings and shift parameters to optimize performance and efficiency.
• Complete System Health Check: Monitor critical transmission health indicators such as fluid life, filter life, and clutch performance.
• Full Functionality Enabled: This package includes the necessary software activator, providing access to all professional-level features without the need for a recurring subscription.
Supported Systems:
• Allison 1000, 2000, 3000, and 4000 Series Transmissions.
• On-Highway and Off-Highway applications.
• Transmissions equipped with GEN4 and the latest GEN5 Electronic Controls.
System Compatibility
This software has been fully tested and is confirmed to be working perfectly on Windows 10 LTSC (2019).
Disclaimer
• Source of Files: All software and resources provided in this post have been collected from public, open-source domains on the internet.
• User Responsibility: This is a professional tool for expert use. You, the user, assume all responsibility and risk. The authors of this post and the forum administration are not liable for any damage to your equipment or data that may result from its use.
