{"product_id":"trucktok-2007-5-2021-6-7l-ram-cummins-fish-tuning-csp5-5-position-efi-live-tuning-switch","title":"Trucktok 2007.5-2021 6.7L Ram Cummins Fish Tuning CSP5 5-Position EFI Live Tuning Switch","description":"\u003c!-- more --\u003e\n\u003ch4\u003eFITMENT\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e2007.5-2021 6.7L Dodge Ram 2500 3500 4500 5500 engines.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eNote: 2018+ Ram trucks require a Cummins Security Gateway Bypass Cable to flash the ECM and use SOTF switches.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eDESCRIPTION\u003c\/h4\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003eWhen running custom EFI Live tuning on a 6.7L Cummins diesel truck, switching between power levels traditionally requires reflashing the ECM with a new tune file. This process can be time-consuming when changing between towing, street, or performance settings.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eThe Fish Tuning FTCSP5 CSP5\/SOTF Switch allows drivers to switch between pre-loaded custom tunes without reflashing the ECM each time. Featuring an OBD-II pass-through Y-cable, this rotary switch provides convenient On-The-Fly tune selection from the driver's seat while keeping the factory OBD-II port available for diagnostic tools and accessories.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSwitch-On-The-Fly Convenience: Change between pre-loaded tune levels without stopping to reflash the ECM.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eClean OBD-II Pass-Through: The pass-through Y-cable installs behind the dash, keeping the factory OBD-II port available for monitors and diagnostic tools.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eEFI Live CSP5 Compatibility: Designed for custom EFI Live CSP5\/SOTF tuning configurations on compatible Cummins applications.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBuilt-In LED Tune Indicator: Integrated LED indicator confirms the selected tune position for quick reference.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDurable Rotary Switch Design: Includes a knurled aluminum knob, position decal (1–5), anti-rotation washer, and strain-relief zip ties for a secure installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFAQ\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this Fish Tuning CSP5 switch come pre-loaded with tunes?  \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: No. This is a hardware selector switch only. Your ECM must already be programmed with compatible custom CSP\/SOTF tuning files before the switch can change between tune levels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I flash my ECM while the SOTF switch is connected?\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: No. Disconnect the switch harness from the OBD-II port before flashing new ECM files to avoid possible communication issues. Reconnect the switch after programming is complete.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will the switch keep my selected tune after turning the truck off?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes. The ECM will recognize the switch position after key cycles as long as the selected tune configuration remains programmed in the ECM.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this switch without custom tuning?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: No. The switch only selects between existing tune files programmed into the ECM. It does not create, modify, or install tuning by itself.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eQ: Why do 2018+ Ram trucks require a Security Gateway Bypass Cable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Starting in 2018, Ram trucks added a factory \u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"color: rgb(43, 0, 255); text-decoration: underline;\"\u003e\u003ca href=\"https:\/\/www.trucktok.com\/products\/trucktok-2018-ram-cummins-hd-security-gate-bypass-cable\" title=\"Security Gateway Module\" style=\"color: rgb(43, 0, 255); text-decoration: underline;\" rel=\"noopener\" target=\"_blank\"\u003eSecurity Gateway Module\u003c\/a\u003e \u003c\/span\u003e\u003c\/span\u003ethat restricts aftermarket OBD-II access. A bypass cable is required to allow compatible tuners like EFI Live, MM3, or Smarty to communicate with the ECM for custom tuning and SOTF functions.\u003c\/p\u003e","brand":"TruckTok","offers":[{"title":"Default Title","offer_id":45879485694035,"sku":"ER-0299","price":82.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0579\/8861\/2179\/files\/2-1_812db6a3-50cc-4f79-9c48-e6d7b21a9e94.png?v=1785305514","url":"https:\/\/www.trucktok.com\/products\/trucktok-2007-5-2021-6-7l-ram-cummins-fish-tuning-csp5-5-position-efi-live-tuning-switch","provider":"TruckTok","version":"1.0","type":"link"}