GM E41 ECM Upgrade Kit

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Conveniently upgrade your E41 ECM, found in the 2017 - 2018 Chevy Silverado and GMC Sierra 2500/3500 6.6L Duramax trucks (L5P and L5D applications), without removing it from the ve hicle. Upgrade your E41 ECM in 20 minutes or less! This ECM upgrade kit enables read, write, and special functions in VCM Suite software using an MPVI2+ (with Pro Feature Set) or MPVI3 interface. The GM E41 ECM Upgrade Kit is only available in the US/Canada at this time. Show more