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Optimize your aftermarket performance parts
0L DURAMAX LZ0 (SUV)
Works with any ECM Tuning to provide smooth shifting and superior driveability
If you do not already own one of these flash tools then you will want to purchase the MPVI4 or use a friends
HPTuners GM E42 ECM Service (2024-2026 L5P, Global B) Tune Files Optimize your aftermarket performance partsTune 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
