{"product_id":"range-technology-ra007-dfm-module-for-gm-refresh-v8-5-3l-6-2l-disables-dynamic-fuel-management-auto-start-stop-plug-and-pla","title":"Range Technology RA007 DFM Module for GM Refresh V8 (5.3L\/6.2L) — Disables Dynamic Fuel Management \u0026 Auto Start\/Stop, Plug-and-Pla","description":"\u003cstrong\u003eThe Range Technology RA007 DFM Module is an inline plug-and-play module that disables Dynamic Fuel Management and Engine Auto Start\/Stop on compatible 2021–2024 GM Refresh V8 trucks and SUVs, restoring full-time V8 operation.\u003c\/strong\u003e\n\n\u003cp\u003eInstead of letting the factory cylinder-deactivation and auto stop\/start systems change how your V8 behaves, the RA007 intercepts signals at the ECM so the engine runs on all cylinders continuously. Designed specifically for GM Refresh 5.3L and 6.2L V8 engines, this hardware solution aims to improve drivability and reduce the wear patterns linked to repeated cylinder switching and frequent automatic stops. Installation is reversible and leaves no trace for dealer diagnostics.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this module affect driveability and engine feel?\u003c\/h3\u003e\n\u003cp\u003eWith the DFM module installed, the engine no longer switches cylinders during light-load conditions, so throttle response and torque delivery stay consistent. Drivers report smoother acceleration, a firmer low-end pull, and restored V8 sound character when cylinder deactivation is disabled.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConsistent power—engine uses all cylinders under normal operation\u003c\/li\u003e\n  \u003cli\u003eEliminates transient hesitations tied to cylinder on\/off events\u003c\/li\u003e\n  \u003cli\u003eRestores fuller V8 exhaust tone and reduced unwanted drone\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this improve long-term engine reliability?\u003c\/h3\u003e\n\u003cp\u003eThe module is intended to reduce the mechanical cycling and oil-control stresses introduced by constant cylinder deactivation and restart events. By maintaining all cylinders active, components that can be vulnerable to repeated switching—like lifters, spark plugs, and certain valvetrain parts—experience a more uniform operating environment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReduces variable loading that can accelerate wear on lifters and valvetrain\u003c\/li\u003e\n  \u003cli\u003eLess frequent cylinder switching may lower risk of spark-plug fouling\u003c\/li\u003e\n  \u003cli\u003eMay help prevent oil-consumption patterns associated with DFM modes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow is the RA007 installed and will it affect dealer service?\u003c\/h3\u003e\n\u003cp\u003eInstallation is a plug-in inline connection to the vehicle’s ECM harness and requires no permanent modifications. The module is fully removable and designed to allow a complete return-to-stock appearance and function for warranty or dealer inspections.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePlug-and-play inline harness; no cutting or splicing required\u003c\/li\u003e\n  \u003cli\u003eRemovable without leaving hardware or programming traces\u003c\/li\u003e\n  \u003cli\u003eDoes not alter engine control software—reverts when disconnected\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDoes it also stop the Auto Start\/Stop feature?\u003c\/h3\u003e\n\u003cp\u003eYes—the RA007 simultaneously disables the engine Auto Start\/Stop system so the engine will not shut off at stops, eliminating restarts that can interrupt cabin systems or cause takeoff hesitation. This combined suppression of DFM and Auto Start\/Stop is handled through the same inline integration with the ECM signals.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePrevents automatic shutdown at stoplights for uninterrupted power\u003c\/li\u003e\n  \u003cli\u003eHelps maintain cabin accessories and HVAC function during stops\u003c\/li\u003e\n  \u003cli\u003eWorks alongside the DFM disable for consistent, uninterrupted V8 operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The RA007 is intended for owners of 2021–2024 GM Refresh SUVs and 2022.5–2024 GM 1500 Refresh trucks equipped with 5.3L or 6.2L V8 engines who want more consistent throttle response, the full-time V8 feel and tone, and a reversible hardware solution that leaves no permanent footprint. It is aimed at drivers who prefer a predictable, all-cylinder driving experience and those concerned about long-term wear patterns associated with factory cylinder-deactivation systems. Note: this product contains materials that, per California law, may expose users to chemicals known to cause cancer or reproductive harm.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will the RA007 void my GM warranty?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The module is removable and leaves no trace, but warranty rules vary; check your dealer and document removal before service.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is installation reversible and plug-and-play?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The RA007 installs inline with the ECM harness without cutting wires and can be removed to return to stock condition.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Range Technology","offers":[{"title":"Default Title","offer_id":55171202220375,"sku":"B0DHVYW863","price":285.1,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/range-technology-ra007-front-view.jpg?v=1790440415","url":"https:\/\/britishgarage.co.uk\/products\/range-technology-ra007-dfm-module-for-gm-refresh-v8-5-3l-6-2l-disables-dynamic-fuel-management-auto-start-stop-plug-and-pla","provider":"British Garage","version":"1.0","type":"link"}