ATS TCM Upgrade (4WD) A50 to T87, 2015 GM 6.6L Duramax - 601-940-4416

The ATS A50 to T87 TCM Upgrade (part #601-940-4416) replaces the failure-prone factory A50 transmission control module on early 2015 GM 6.6L Duramax LML trucks with the latest T87A transmission control module. This complete plug-and-play upgrade features ATS's proprietary Translator® technology with integrated Co-Pilot transmission control enhancements, delivering faster processing, improved shift quality, increased line pressure, and enhanced transmission durability for both stock and performance applications.

Key Features

• Direct replacement for the factory A50 transmission control module
• Designed specifically for early 2015 GM 6.6L Duramax LML 4WD applications
• Unlocked T87A TCM with custom ATS performance calibration pre-installed
• ATS Translator® module with integrated Co-Pilot transmission pressure enhancements
• Increases transmission line pressure for improved clutch holding capacity
• Faster T87A processor provides quicker shifts and improved overall drivability
• Works with stock and performance-modified trucks
• Plug-and-play installation with OEM-quality wiring harness and mounting bracket

Compatibility & Installation Notes

• Fits early 2015 Chevrolet Silverado 2500 HD and 3500 HD equipped with the 6.6L Duramax LML diesel and Allison 1000 6-speed automatic transmission
• Fits early 2015 GMC Sierra 2500 HD and 3500 HD equipped with the 6.6L Duramax LML diesel and Allison 1000 6-speed automatic transmission
• Designed for 4WD applications only
• Replaces the factory A50 transmission control module
• Professional installation is recommended

What's Included

• Unlocked T87A transmission control module with ATS calibration
• ATS Translator® module with integrated Co-Pilot functionality
• Mounting bracket
• Plug-and-play wiring harness

Prop 65 Warning

WARNING: This product can expose you to chemicals known to the State of California to cause cancer and reproductive harm. For more information, visit www.P65Warnings.ca.gov.