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.