GB/T 39851.2-2021
ActiveRoad vehicles—Diagnostic communication over Controller Area Network（DoCAN）—Part 2：Tranport protocol and network layer services
道路车辆 基于控制器局域网的诊断通信 第2部分：传输层协议和网络层服务
Application Summary AI generated
This standard specifies the transport protocol and network layer services for diagnostic communication over a Controller Area Network (CAN) in road vehicles. It is applied in automotive electronic systems to ensure reliable data exchange between diagnostic testers and electronic control units (ECUs) during vehicle maintenance, repair, and emissions testing. The standard is critical for implementing unified diagnostic services (UDS) in passenger cars, trucks, and other vehicles using CAN-based networks.
Related Standards
GB/T 19463-2004
Blade length series and its connection dimensions of wiper for passenger cars
GB/T 19514-2004
Passenger cars--Luggage compartments--Method of measuring reference volume
GB/Z 33013-2016
Road vehicles—Development guidelines for motor vehicle embedded software
GB/Z 42285-2022
Road vehicles—ASIL determination guidelines for electrical and electronic system
GB/Z 21437.4-2025
Road vehicles—Test method of electrical disturbances from conduction and coupling—Part 4: Electrical transient conduction along shielded high voltage supply lines only
GB/T 13594-2003
Antilock braking performance and test procedure for motor vehicles and their trailers
GB/T 5620-2002
Road vehicles--Braking of automotive vehicles and their trailers--Vocabulary
GB/T 4782-2001
Road vehicles--Controls，indicators and tell-tales--Vocabulary
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.