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GB/T 45503-2025The code of practice for automotive Ethernet ECU test (English PDF)

汽车以太网电子控制单元测试规程

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

April 25, 2025

Implementation date

November 1, 2025

Scope

GB/T 45503-2025 is the English-translated version of 汽车以太网电子控制单元测试规程.

GB/T 45503-2025 is the Chinese standard "The code of practice for automotive Ethernet ECU test". Its scope clause reads: This document specifies the physical layer, link layer, network layer, transport layer, and application layer conformance of the automotive Ethernet electronic control unit (ECU).

For ECUs using TCP/IP protocol stack, this document specifies the general TCP/IP parameter configuration test procedures. This document also provides the test procedure for the initialization time of the automotive Ethernet electronic control unit. This document applies to ECU testing of Automotive Ethernet interfaces.

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Document preview — GB/T 45503-2025

National Standard of the People's Republic of China

ICS: 43.040.10
Classification: T 35

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
1 Scope
2 Normative references
3 Terms and Definitions
4 Abbreviations
5 Physical layer test
5.1 100BASE-T1PMA Test
5.2 1000BASE-T1PMA Test
5.3 10BASE-T1SPMA Test
5.4 100BASE-TX PMD Test
5.5 MultiGB ASE-T1PMA Test
5.6 100BASE-T1 Interoperability Testing
5.7 1000BASE-T1 Interoperability Testing
6 Link Layer Test
6.1 General requirements
6.2 MAC layer test system settings
6.3 MAC_01_Ethernet frame reception
6.4 MAC_02_Other types of frame reception
6.5 MAC_03_Frame Length Test
6.6 MAC_04_FCS Test
7 Network layer to transport layer test
7.1 General requirements
7.2 Network and Transport Layer Test System Setup
7.3 ARP Protocol Conformance
7.4 ICMPv4 Protocol Conformance
7.5 IPv4 Protocol Conformance
7.6 IPv4LL Address Dynamic Configuration Protocol Conformance
7.7 UDP Protocol Conformance
7.8 TCP Protocol Conformance
8 Session layer to application layer protocol test
8.1 DHCPv4 Client Protocol Conformance
8.2 SOME/IP Protocol Conformance Test
9 ECU parameter configuration test
9.1 General requirements
9.2 Parameter Configuration Test System Settings
9.3 Physical layer parameter configuration
9.4 MAC layer parameter configuration
9.5 Network layer parameter configuration
9.6 Transport layer parameter configuration
10 ECU initialization test
10.1 Overview
10.2 Initializing the Test System Settings
10.3 Initialization Time
Appendix A (Informative) Physical Layer Test Access Interface

1 Scope

This document specifies the physical layer, link layer, network layer, transport layer, and application layer conformance of the automotive Ethernet electronic control unit (ECU).

For ECUs using TCP/IP protocol stack, this document specifies the general TCP/IP parameter configuration test procedures.

This document also provides the test procedure for the initialization time of the automotive Ethernet electronic control unit.

This document applies to ECU testing of Automotive Ethernet interfaces.

2 Normative references

The contents of the following documents constitute essential clauses of this document through normative references in this document.

For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to

This document.

GB/T 40822-2021 Uniform diagnostic services for road vehicles

ISO /IEC /IEEE8802-3.2021 Requirements for local and metropolitan area networks for telecommunications and information exchange between systems Part 3.

ISO /IEC /IEEE8802-3.2021/Amd5.2021 Requirements for local and metropolitan area networks for telecommunication and information exchange between systems

Part 3.Ethernet Standard Amendment 5.Physical Layer Specifications and Management Parameters for 10Mb/s Automotive Electrical Ethernet and

ISO /IEC /IEEE8802-3.2021/Amd8.2021 Requirements for local and metropolitan area networks for telecommunication and information exchange between systems

Part 3.Ethernet Standard Amendment 8.Physical Layer Specifications for 2.5 Gb/s, 5 Gb/s, and 10 Gb/s Automotive Electrical Ethernet

ISO 21111-10.2021 Road vehicles in-vehicle Ethernet Part 10.Conformance test procedures from network layer to transport layer plans)

ISO 21111-11.2021 Road vehicles In-vehicle Ethernet Part 11.Conformance test procedures from application layer to session layer plans)

GB 44263 | GB/T 43253.4 | GB/T 43254 | GB/T 47504 | GB 15082 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 114 pages — is available in the English PDF.

Referenced standards

Normative references

ISO 21111

Editions of GB/T 45503

Edition	Title	Revision	Status
GB/T 45503-2025	The code of practice for automotive ethernet ECU test	current edition	Current

This page sells the current edition, GB/T 45503-2025. Earlier editions are listed for reference only.

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