GM E99 ECM Service (Global B)

Unlock the full tuning capabilities of your GM vehicle equipped with the E99 ECM with ZackTuned’s specialized ECM upgrade service. This one-time, send-in upgrade enables full diagnostics and tuning functionalities in VCM Suite (BETA), allowing you to optimize your vehicle's performance to its maximum potential. Supported Vehicles: 2020-2023 Chevrolet Corvette 6.2L (LT2) (non-Z06) 2024 Chevrolet Corvette C8 6.2L (LT2) (non-Z06) 2022-2023 Cadillac CT5-V Blackwing 6.2L (LT4) 2020-2023 Cadillac CT5-V 3.0L TT (LGY) 2022-2023 Cadillac CT4-V Blackwing 3.6L TT (LF4) 2023 Cadillac Escalade-V 6.2L If your vehicle isn’t listed above, please check out our other services for GM’s non-Global B E99 ECM vehicles. Upgrade Process:Our E99 ECM upgrade service involves sending in your original ECM to ZackTuned’s headquarters. Once upgraded, your ECM will be fully compatible with ZackTuned’s tuning software, providing comprehensive tuning access. The process is simple: Remove your E99 ECM. Ship it to Za