Range RA007 - DFM Inline Module GM RefreshComputer Module - Refresh - Dynamic Fuel Management / Auto Start/Stop Disabler - GM GenV LT-Series - GM Fullsize SUV / Truck 2021-25 - EachDFM Module for Refresh V8 models - 2021-2026 GM SUV and 2022.5-2026 GM 1500 Truck*Some vehicles may still engage 0-cylinder mode while coasting with this product installed. During extensive testing, it was found that completely disabling this function led to undesirable driving conditions and safety concerns. Disabling 0-cylinder mode while coasting resulted in a notable decrease in fuel efficiency, with a loss of 2-3 MPG, as the engine continues to fuel and fire the injectors even during coasting. This fueling also creates an unsettling sensation during deceleration, as it feels like the vehicle is still accelerating slightly, despite 0% throttle input. This requires harder braking, especially in scenarios like towing or descending a long grade, leading to undesirable driving conditions. Disables Dynamic Fuel Management (DFM) Disables Engine Auto Start/Stop Smart inline technology integrates seamlessly with the ECM Allows a true ‘Return to Stock’ status when removed with no trace for worry free dealer services All-time V8 mode means better power on demand, a more consistent driving experience, reduced engine and valvetrain wear, and improved long term engine reliability Enjoy that V8 rumble and avoid unpleasant exhaust notes and drone from running in cylinder deactivation mode Plug-and-play installation can be completed in minutes 50-State CARB Compliant EO# D-115-32 for 2021-2024 model years. 2025-2026 pending First to market product for Global B and Refresh model support To confirm your 2022 model truck is compatible with this unit, check your VIN. The 12th digit in a Refresh model must be a '5' or higher This device is compatible with ALL 2023-2026 truck and 2021-2026 SUV models with the 5.3L and 6.2L engine Some applications may still encounter 0-Cylinder Mode while coasting when 0% throttle input is detected at the ECM We do not control the in-cab Auto Start/Stop switch on the dash, so it will still iluminate on/off with the button being pressed as it factory, even though the system is always disabled with our module installed at the ECM. We do recommend removing the DFM Module before performing any GM Over-the-Air updates or visiting the dealer for vehicle updates via OBD-II port Made in USA Brand: Range Technology CARB EO: D-115-32 Category: Tuners and Programmers Color: Black Connector Gender: Male Connector Quantity: 2 Connector Type: OEM Emission Code: 1 Finish: Flat Fuel Type: Gas Grade Type: Performance Product Type: Tuner Terminal Gender: Male Warning: California Proposition 65
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