{"product_id":"foxwell-hd301-heavy-duty-truck-scanner-16-9-6-pin-diesel-code-reader-full-system-diagnostics","title":"FOXWELL HD301 Heavy-Duty Truck Scanner — 16\/9\/6-Pin Diesel Code Reader, Full-System Diagnostics","description":"\u003cp\u003e\u003cstrong\u003eThe FOXWELL HD301 is a plug-and-play heavy-duty diesel and full-system truck scanner that reads and clears codes, shows live sensor data, and supports 6\/9\/16-pin truck protocols without subscriptions.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe HD301 combines a rugged hardware design with broad protocol coverage to help fleet managers, owner-operators, and diesel technicians diagnose commercial vehicles, pickups, and equipment on the spot. It includes a built-in 16-pin OBDII connector plus dedicated 6-pin and 9-pin adapters so older J1708\/J1587 rigs and newer J1939 systems are both supported. No app, no Wi‑Fi, and no recurring fees make it a straightforward tool for roadside troubleshooting and routine shop diagnostics.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the HD301 identify problems across a truck’s systems?\u003c\/h3\u003e\n\u003cp\u003eHD301 performs full-system scans of accessible electronic control modules, not just the engine. It reads stored and pending trouble codes across Engine, Transmission, ABS, SRS, Chassis, and Body Control modules to reveal where faults originate.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRetrieves and clears DTCs for multiple ECUs including ABS and transmission\u003c\/li\u003e\n  \u003cli\u003eOn-device DTC lookup library provides quick fault definitions\u003c\/li\u003e\n  \u003cli\u003eSupports J1939, J1708, J1587 and standard OBDII protocols\u003c\/li\u003e\n  \u003cli\u003eCompatible with major diesel brands: Cummins, PACCAR, Caterpillar, Detroit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat live data and testing functions does it provide?\u003c\/h3\u003e\n\u003cp\u003eThe scanner displays essential real-time sensor readings in a stable text format so you can monitor system behavior while the engine runs. That data helps pinpoint issues like overheating, low fuel pressure, or irregular RPMs without guesswork.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLive parameters: coolant temperature, engine RPM, fuel pressure, and more\u003c\/li\u003e\n  \u003cli\u003eText-based PIDs make logging and interpretation quick and reliable\u003c\/li\u003e\n  \u003cli\u003eRead\/erase capability for check-engine indicators and stored faults\u003c\/li\u003e\n  \u003cli\u003eNote: does not perform DPF regeneration procedures\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich vehicles and equipment will this scanner work with?\u003c\/h3\u003e\n\u003cp\u003eDesigned primarily for heavy-duty diesel trucks, the HD301 also covers pickups, buses, trailers, and many off-road machines. The combination of 16-pin OBDII plus 6- and 9-pin adapters extends coverage to older commercial models and wide-ranging engine platforms.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWorks with Freightliner, Kenworth, Peterbilt, International, Mack, and other truck makers\u003c\/li\u003e\n  \u003cli\u003eCompatible with diesel engines from Cummins, PACCAR, Caterpillar, Detroit\u003c\/li\u003e\n  \u003cli\u003eUseful for construction and agricultural equipment and some marine diesels\u003c\/li\u003e\n  \u003cli\u003eTip for light-duty diesel pickups: use the WWW-OBD menu for accurate testing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is the HD301 to use and maintain?\u003c\/h3\u003e\n\u003cp\u003eThe tool is built for on-the-road convenience: plug into the vehicle’s diagnostic port and start scanning—no battery charging, apps, or cloud setup required. FOXWELL provides lifetime free software updates so coverage stays current without subscription fees.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePlug-and-play operation with immediate access to vehicle data\u003c\/li\u003e\n  \u003cli\u003eNo batteries, no Wi‑Fi, and no monthly subscription charges\u003c\/li\u003e\n  \u003cli\u003eMultilingual support includes English and Spanish for broader usability\u003c\/li\u003e\n  \u003cli\u003eDurable handheld design that fits fleet and field environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The FOXWELL HD301 is aimed at fleet managers, diesel technicians, owner-operators, and anyone who maintains commercial vehicles or heavy equipment and wants a reliable, professional-level scanner without recurring fees. It’s a practical choice for shops that need broad protocol compatibility and quick on-site diagnostics, and for truck owners who prefer to troubleshoot and clear common faults themselves to reduce downtime and service costs.\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: Does the HD301 require subscriptions or apps?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. HD301 works plug-and-play with no subscription and no app; lifetime free software updates are included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which truck protocols and brands does it support?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Supports J1939, J1708, J1587 and OBDII; compatible with Cummins, PACCAR, Caterpillar, Detroit and major truck makers.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"FOXWELL","offers":[{"title":"Default Title","offer_id":55170975465815,"sku":"B0GS5TPTST","price":235.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/foxwell-hd301-front-view.jpg?v=1790436058","url":"https:\/\/britishgarage.co.uk\/products\/foxwell-hd301-heavy-duty-truck-scanner-16-9-6-pin-diesel-code-reader-full-system-diagnostics","provider":"British Garage","version":"1.0","type":"link"}