J1939 vyu\u017e\u00edv\u00e1 sb\u011brnici CAN jako z\u00e1klad pro p\u0159enos dat mezi moduly ECU. Zpr\u00e1vy jsou p\u0159en\u00e1\u0161eny pomoc\u00ed 29bitov\u00fdch identifik\u00e1tor\u016f, co\u017e umo\u017e\u0148uje detailn\u00ed adresov\u00e1n\u00ed a v\u00fdm\u011bnu komplexn\u00edch informac\u00ed. OBD-II adapt\u00e9ry Launch podporuj\u00edc\u00ed tento protokol:<\/strong><\/p>\n\n\n\n DBScar IV, DBScar V, DBScar VII<\/p>\n\n\n\n Za\u0159\u00edzen\u00ed ThinkDiag podporuj\u00edc\u00ed tento protokol:<\/strong><\/p>\n\n\n\n ThinkDiag 2<\/p>\n\n\n\n Za\u0159\u00edzen\u00ed Ediag podporuj\u00edc\u00ed tento protokol:<\/strong><\/p>\n\n\n\n Ediag Plus, Ediag Elite<\/p>\n\n\n\n Typy vozidel a zna\u010dky podporovan\u00e9 protokolem:<\/strong><\/p>\n\n\n\n T\u011b\u017ek\u00e1 komer\u010dn\u00ed a pr\u016fmyslov\u00e1 dieselov\u00e1 vozidla, v\u010detn\u011b Volvo Trucks, Scania, MAN, Mercedes-Benz Trucks, Iveco, DAF, Freightliner, Peterbilt, Kenworth, Mack, Cummins, stejn\u011b jako autobusy a stavebn\u00ed stroje.<\/p>\n\n\n\n Protokol J1939 se pou\u017e\u00edv\u00e1 pro komunikaci mezi \u0159\u00eddic\u00edmi jednotkami (ECU) v t\u011b\u017ek\u00fdch u\u017eitkov\u00fdch vozidlech a je pr\u016fmyslov\u00fdm standardem v sektoru HD (Heavy-Duty).<\/p>\n\n\n\n V\u00fdhody protokolu J1939<\/strong><\/p>\n\n\n\n Nev\u00fdhody a omezen\u00ed<\/strong><\/p>\n\n\n\n Pou\u017eit\u00ed protokolu J1939<\/strong><\/p>\n\n\n\n J1939 se pou\u017e\u00edv\u00e1 ke sledov\u00e1n\u00ed v\u00fdkonu motoru, syst\u00e9mov\u00fdch poruch, telemetrie, \u0159\u00edzen\u00ed paliva a diagnostiky syst\u00e9m\u016f vozidla. D\u00edky sv\u00e9 spolehlivosti se tento protokol stal pr\u016fmyslov\u00fdm standardem pro komunikaci ve v\u0161ech typech t\u011b\u017ek\u00fdch u\u017eitkov\u00fdch vozidel a stroj\u016f.<\/p>\n\n\n\n Z\u00e1v\u011br<\/strong><\/p>\n\n\n\n SAE J1939 je nepostradateln\u00fd protokol ve sv\u011bt\u011b t\u011b\u017ek\u00fdch u\u017eitkov\u00fdch vozidel. Jeho stabilita, kompatibilita a \u0161irok\u00e9 vyu\u017eit\u00ed z n\u011bj \u010din\u00ed z\u00e1klad diagnostiky, monitorov\u00e1n\u00ed a komunikace v modern\u00ed dopravn\u00ed a pr\u016fmyslov\u00e9 technice.<\/p>","protected":false},"excerpt":{"rendered":" SAE J1939 is a communication protocol based on CAN (Controller Area Network) technology, developed for heavy-duty and commercial vehicles including trucks, buses, construction machinery, and agricultural equipment. This standard enables fast, stable, and standardized communication between multiple Electronic Control Units (ECUs) in vehicles with numerous modules. How J1939 Works J1939 uses the CAN bus as…<\/p>","protected":false},"author":1,"featured_media":3727,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"J1939 (CAN based HD Protocol): HD and Commercial Vehicles","_seopress_titles_desc":"SAE J1939 is an indispensable protocol in the world of heavy-duty vehicles. Its stability, compatibility for diagnostics, monitoring, and communication.","_seopress_robots_index":"","inline_featured_image":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_themeisle_gutenberg_block_has_review":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"iawp_total_views":81,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3725","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"acf":[],"taxonomy_info":{"category":[{"value":1,"label":"Uncategorized"}]},"featured_image_src_large":["https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/J1939-CAN-based-HD-Protocol.jpg",600,600,false],"author_info":{"display_name":"diagzone","author_link":"https:\/\/diagzone.org\/cs\/author\/xpro5\/"},"comment_info":0,"category_info":[{"term_id":1,"name":"Uncategorized","slug":"uncategorized","term_group":0,"term_taxonomy_id":1,"taxonomy":"category","description":"","parent":0,"count":33,"filter":"raw","cat_ID":1,"category_count":33,"category_description":"","cat_name":"Uncategorized","category_nicename":"uncategorized","category_parent":0}],"tag_info":false,"_links":{"self":[{"href":"https:\/\/diagzone.org\/cs\/wp-json\/wp\/v2\/posts\/3725","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/diagzone.org\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/diagzone.org\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/diagzone.org\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/diagzone.org\/cs\/wp-json\/wp\/v2\/comments?post=3725"}],"version-history":[{"count":1,"href":"https:\/\/diagzone.org\/cs\/wp-json\/wp\/v2\/posts\/3725\/revisions"}],"predecessor-version":[{"id":3730,"href":"https:\/\/diagzone.org\/cs\/wp-json\/wp\/v2\/posts\/3725\/revisions\/3730"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/diagzone.org\/cs\/wp-json\/wp\/v2\/media\/3727"}],"wp:attachment":[{"href":"https:\/\/diagzone.org\/cs\/wp-json\/wp\/v2\/media?parent=3725"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/diagzone.org\/cs\/wp-json\/wp\/v2\/categories?post=3725"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/diagzone.org\/cs\/wp-json\/wp\/v2\/tags?post=3725"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
Typick\u00e1 p\u0159enosov\u00e1 rychlost je 250 kb\/s<\/strong>, zat\u00edmco nov\u011bj\u0161\u00ed verze mohou pracovat s rychlost\u00ed 500 kb\/s<\/strong>. Tento protokol umo\u017e\u0148uje komunikaci mezi motorem, p\u0159evodovkou, brzdami, p\u0159\u00edstrojovou deskou a dal\u0161\u00edmi kl\u00ed\u010dov\u00fdmi syst\u00e9my v t\u011b\u017ek\u00fdch u\u017eitkov\u00fdch vozidlech.<\/p>\n\n\n\n![\"\"](\"https:\/\/diagzone.org\/wp-content\/uploads\/2025\/10\/image-31.jpeg\")
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