基于ISO13400標(biāo)準(zhǔn)的以太網(wǎng)安全連接

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中圖分類號：U463.6 文獻(xiàn)標(biāo)識碼：A 文章編號：1003-8639（2025）08-0155-0

【Abstract】Thisarticle mainly focuses onautomotive diagnosticprotocolsand safety technologies，sorting out the evolutionprocessfrom the releaseofOBD-II by SAE in1994 to theISOupdateISO14229-1in 2020，covering core standards suchas flash code，K-line，CAN，Ethernet busandISO 14229.Inresponse totheinformationsecurity requirementsof intelligentvehicles，thediagnosticfunctiondesignadoptstheinternationalstandardservicedefinition， takingintoaccountboth enterpriseand industryscenarios.Theadaptationprocessof TLS，Ox29，andOx27securityservice systemsin CAN/CANFDand in-vehicleEthernet isanalyzedemphaticaly.Itispointedout that buildingadiagnostic securitysystemcompatiblewithmultiplebusesandnewandoldvehiclemodelsisthekeytotheindustry，anditis expected to provide some references for diagnostic design.

【Key words】 diagnostic safety； TLS； Ox29 service； Ox27 service； CAN bus

1 協(xié)議發(fā)展歷程

車輛的故障診斷、軟件升級及排放信息讀取等功能的實(shí)現(xiàn)，依托于體系健全且由來已久的通用診斷標(biāo)準(zhǔn)。（剩余3406字）