{"product_id":"xtptfabs-passthru-obd2-bypass-harness-for-2018-2021-ram-pickup-cummins-oe-fit-plug-and-play","title":"XTPTFABS PassThru OBD2 Bypass Harness for 2018–2021 Ram Pickup Cummins — OE-fit, Plug-and-Play","description":"\u003cp\u003e\u003cstrong\u003eXTPTFABS SGW Security Gate-Way PassThru Harness is a direct-fit OBD2\/OBDII bypass cable engineered to restore PassThru diagnostics and wiring functionality on 2018–2021 Ram Pickup Cummins vehicles.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your Ram’s factory gateway or OBD port wiring has been modified, replaced, or disabled during repairs or aftermarket installations, this harness reconnects the vehicle’s diagnostic data path. Built to match OE fit and function, the cable streamlines re-establishing PassThru access so technicians and owners can use standard scanners and programming tools without custom wiring or lengthy workarounds.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this harness restore OBD2 diagnostics on affected Rams?\u003c\/h3\u003e\n\u003cp\u003eThe XTPTFABS SGW bypass cable routes the diagnostic lines around a disabled or altered gateway so the vehicle’s OBDII port communicates normally with scan tools. It reproduces the original signal paths and pin assignments to avoid compatibility issues with common diagnostic devices.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect replacement harness for pass-through diagnostic connections\u003c\/li\u003e\n  \u003cli\u003ePins mapped to standard OBD2\/OBDII pinout for scanner recognition\u003c\/li\u003e\n  \u003cli\u003eDesigned to reinstate data lines without permanent vehicle modifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich Ram models and years are compatible with this bypass cable?\u003c\/h3\u003e\n\u003cp\u003eThis harness is intended for Ram Pickup models equipped with Cummins engines from 2018 through 2021. Confirm your truck’s model year and connector type before ordering to ensure a correct fit.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with 2018–2021 Ram Pickup Cummins (verify model year)\u003c\/li\u003e\n  \u003cli\u003eMatches OE connector shape and mounting points where applicable\u003c\/li\u003e\n  \u003cli\u003eNot universal — check fitment prior to installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs installation difficult and what tools are needed?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone comfortable with basic vehicle wiring and diagnostics. The harness is designed for quick swap-in replacement; most users report completing the job in about ten minutes with common hand tools.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSimple plug-and-play connectors — no cutting or splicing required\u003c\/li\u003e\n  \u003cli\u003eTypical installation time: about 10 minutes for experienced technicians\u003c\/li\u003e\n  \u003cli\u003eRequires basic hand tools (screwdriver, trim tools) and a clean workspace\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat quality and support can I expect from XTPTFABS?\u003c\/h3\u003e\n\u003cp\u003eXTPTFABS manufactures the harness from durable materials and subjects each part to quality checks to match OE shape and function. If you encounter fitment or performance issues, customer support is available to assist and advise on next steps.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConstructed with high-quality materials for reliable signal integrity\u003c\/li\u003e\n  \u003cli\u003eOE-style fit, form, and function to minimize troubleshooting time\u003c\/li\u003e\n  \u003cli\u003eManufacturer support offered for installation questions and concerns\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: technicians, fleet managers, and Ram owners who need to restore factory-level diagnostic access after gateway replacement, accessory installs, or wiring work. If you require quick reactivation of OBDII diagnostics on a 2018–2021 Ram Pickup Cummins without complex rewiring, this XTPTFABS pass-thru harness provides a practical, reliable solution.\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 this harness work for any Ram model year?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This harness is designed for 2018–2021 Ram Pickup Cummins models; confirm your specific year and connector before buying.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need special tools to install the bypass cable?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No special tools are required; basic hand tools and about ten minutes are typically sufficient for installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"XTPTFABS","offers":[{"title":"Default Title","offer_id":67592748105913,"sku":"B0BRZ3LMLY","price":60.86,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/xtptfabs-front-view-passthru-harness.jpg?v=1790567527","url":"https:\/\/redleafauto.ca\/products\/xtptfabs-passthru-obd2-bypass-harness-for-2018-2021-ram-pickup-cummins-oe-fit-plug-and-play","provider":"Redleaf Auto","version":"1.0","type":"link"}