GM E66 ECM Service (Global B)

E66 ECM Tuning Service for 2021+ GM 3.0L Duramax LM2 by ZackTuned Unlock unparalleled performance for your 2021+ GM vehicle with ZackTuned’s E66 ECM Tuning Service. This send-in service enhances your E66 ECM, enabling advanced tuning and diagnostics via VCM Suite (BETA). Maximize power, efficiency, and drivability for a superior driving experience. Supported GM Vehicles 2022-2022.5 Chevrolet Silverado 1500 3.0L Duramax LM2 2022-2022.5 GMC Sierra 1500 3.0L Duramax LM2 2021-2023 Chevrolet Suburban 3.0L Duramax LM2 2021-2023 Chevrolet Tahoe 3.0L Duramax LM2 2021-2023 GMC Yukon 3.0L Duramax LM2 2021-2023 Cadillac Escalade 3.0L Duramax LM2 For other Global B applications, explore additional compatibility options. Upgrade Process Remove your E66 ECM and ship it to ZackTuned for expert upgrading. After the upgrade, your ECM will support full calibration, logging, and scanning via the OBDII port. No Additional Steps Required No IMMO Relearn No Crank Relearn No “Replace ECM” Function in VCM Scanner This hassle-free process minimizes downtime and simplifies installation. Why Choose ZackTuned? Full Tuning Support: Unlock advanced features for enhanced performance. Professional Service: Expertly upgraded for seamless tuning integration. Simplified Installation: Ready-to-use ECM with no extra steps required. Upgrade your 2021+ GM 3.0L Duramax LM2 vehicle with ZackTuned’s E66 ECM Tuning Service and unleash its full potential for power and efficiency.