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Direct plug-and-play design — installs easily in place of the factory reservoir sensor with no cutting
and reliability
HP Tuners is proud to offer the world’s first integrated ECM map-switching solution for the GM E41 ECM and the Dodge Cummins CM2450 and CM2350 ECM
and designed to keep your Cummins running strong
HPTuners GM E42 ECM Service (2024-2026 L5P, Global B) Tipo_Only Direct plug-and-play design — installsTune your 2024 2025 Silverado Sierra 2500 3500 with the 6. 6L L5P Duramax (E42 ECM) now using HP Tuners VCM Suite! This service is required to upgrade the E42 ECM in these diesel trucks for tuning using an MPVI3 device and VCM Suite. Note: Spare ECMs will NOT BE ACCEPTED, no exceptions. Only the original ECM from your vehicle is acceptable for this service. Have a 2017 2023 model L5P? Check out the GM E41 ECM Service (L5P) instead. Shipping address