{"id":5135,"date":"2026-07-30T14:37:38","date_gmt":"2026-07-30T12:37:38","guid":{"rendered":"https:\/\/w3.ime-actia.de\/vehicle-diagnostics\/sae-j1708\/"},"modified":"2026-08-11T16:04:07","modified_gmt":"2026-08-11T14:04:07","slug":"sae-j1708","status":"publish","type":"page","link":"https:\/\/www.ime-actia.de\/en\/vehicle-diagnostics\/sae-j1708\/","title":{"rendered":"SAE J1708"},"content":{"rendered":"\n
<\/i>Back to Vehicle Diagnostics<\/a><\/div><\/div><\/div><\/div><\/div>\n\n

SAE J1708<\/h2>\n\n

The SAE J1708 protocol<\/strong> is an on-board bus system primarily used in heavy-duty road vehicles and construction machinery. It originated in the early 1990s on the U.S. market. The complementary standard, SAE J1587<\/strong>, specifies communication and data exchange in greater detail. <\/p>\n\n

The protocol and hardware architecture are similar to the RS-485 standard<\/strong>. Like the CAN bus, the J1708 bus system is based on differential signals and therefore offers very high immunity to interference. Physically, communication takes place via a 2-wire cable<\/strong> with a maximum length of 40 m.<\/strong> <\/p>\n\n

Data is transmitted at a rate of 9,600 bits per second<\/strong>. The message format is 8N1<\/strong> (eight bytes of payload, no parity, one stop bit). While the machine is running, telegrams with a maximum length of 21 characters<\/strong> are permitted. Once the motor has been stopped, longer messages are also permitted<\/strong>. The messages begin with a Message ID (MID) <\/strong>and end with a checksum. <\/p>\n\n

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SAE J1708 The SAE J1708 protocol is an on-board bus system primarily used in heavy-duty road vehicles and construction machinery. […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":2227,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_eb_attr":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-5135","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.ime-actia.de\/en\/wp-json\/wp\/v2\/pages\/5135","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ime-actia.de\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.ime-actia.de\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.ime-actia.de\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ime-actia.de\/en\/wp-json\/wp\/v2\/comments?post=5135"}],"version-history":[{"count":1,"href":"https:\/\/www.ime-actia.de\/en\/wp-json\/wp\/v2\/pages\/5135\/revisions"}],"predecessor-version":[{"id":5136,"href":"https:\/\/www.ime-actia.de\/en\/wp-json\/wp\/v2\/pages\/5135\/revisions\/5136"}],"up":[{"embeddable":true,"href":"https:\/\/www.ime-actia.de\/en\/wp-json\/wp\/v2\/pages\/2227"}],"wp:attachment":[{"href":"https:\/\/www.ime-actia.de\/en\/wp-json\/wp\/v2\/media?parent=5135"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}