Mail-In AFM/DOD or VVT Delete Service – 2006–2018 GM 4.3L–6.2L ECMs

This is a mail-in service. No physical parts are included. You are sending us your ECM to be professionally modified.   Service Description: This service provides a complete calibration to permanently disable either the Displacement on Demand (DOD/AFM) system or the Variable Valve Timing (VVT) system — or both — in your GM vehicle’s ECM.   These systems are known failure points, especially during performance builds or camshaft swaps. This tuning service ensures they are fully removed from the ECM software with:   No diagnostic trouble codes (DTCs) No check engine lights Safe operation without requiring the physical components to remain in place (assuming no mechanical faults) Choose AFM/DOD delete, VVT delete, or both, depending on your engine setup.   Coverage: Compatible with most 2006–2018 GM vehicles Supported engines: 4.3L, 4.8L, 5.3L, 6.0L, 6.2L Ideal for cam swaps, performance upgrades, or preventative deletes Turnaround Time: 24-hour processing once your ECM arrives How to Use