GM E99 ECM Service (Global B) - Upgrade Only Coupler Delete Driveshafts Users must physically remove their

Users must physically remove their original E99 ECM from their vehicle and ship it to HP Tuners’ headquarters for servicing

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Interlocking Fail-Safe Design – Ensures reliability under high stress

No other tuning or calibration tools can be used with the ECM (including dealer reflash tools)

HINSON LSx V8 Mazda RX8 Cooling System (Single Fan)

GM E99 ECM Service (Global B) - Upgrade Only Coupler Delete Driveshafts Users must physically remove theirHP Tuners is thrilled to offer support for the GM Global B E99 ECM found in various 2020+ GM vehicles (listed below). This one time, send in upgrade service is required to enable diagnostics and tuning capabilities in VCM Suite (BETA). Shipping address for send in E99 ECM service (Global B): HP Tuners (ATT: GM E99 ECM Service [Global B]), 700 Eastwood Ln, Buffalo Grove, IL 60089 This is a send in service which means you must first send us your