Test Items
GRGTEST can conduct threat analysis on the tested components based on the threat list in Appendix 5 of R155, extract test items, conduct R155 compliance testing, propose rectification plans, output test reports, and ultimately support the product to pass WP.29 R155 certification.
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R155 threat type |
Partial testing items |
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Abuse or damage of update programs |
Damaging local/physical software update programs, including forging system update programs or firmware |
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The software was tampered with (and therefore damaged) before the update, although the update program was not tampered with |
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Leaking software provider's encryption key allows invalid updates |
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Extract vehicle data/code |
Extract copyright or proprietary software from vehicle systems |
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Extract encryption key |
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Manipulate vehicle data/code |
Data processing for tampering with vehicle driving data (such as mileage, speed, direction of travel, etc.) |
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Unauthorized alteration of system diagnostic data |
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Clear data/code |
Unauthorized deletion/tampering of system event logs |
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Introducing malicious software |
Introducing malicious software or malicious software activities |
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Introduce new software or overwrite existing software |
Falsifying software for vehicle control systems or information systems |
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Manipulate vehicle parameters |
Unauthorized access to forged configuration parameters of critical vehicle functions, such as braking data, airbag deployment threshold, etc. |
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Unauthorized access or forgery of charging parameters, such as charging voltage, charging power, battery temperature, etc. |
Test Cycle
Determine the service cycle based on project evaluation.
Service Background
In June 2020, the United Nations World Forum for the Coordination of Vehicle Regulations (WP. 29) released the important regulation R155 (Cybersecurity) on intelligent connected vehicles, which was implemented in late January 2021. According to EU requirements, starting from July 2022, all new vehicle models must obtain the WVTA (Whole Vehicle Type Approval) certificate in accordance with this regulation before they can be launched for sale in the EU. Vehicles manufactured from July 2024 onwards must meet the requirements of this regulation before they can be sold from the factory. This regulation covers both passenger and commercial vehicles, applicable to M-class and N-class vehicle models, O-class vehicle models equipped with at least one ECU, as well as L6 and L7 class vehicle models with L3 and above autonomous driving functions.
R155 stipulates that it is a mandatory requirement for vehicles to obtain certification and be approved for sale within a specific country. Its compliance certification is mainly divided into two parts, one is the network security management system certification CSMS, and the other is the vehicle network security type certification VTA.
Our Advantages
Complete Hardware Support
With a dedicated laboratory room of over 1000 square meters and dozens of testing tools, including mainstream static and dynamic testing tools, commonly used performance testing tools, vulnerability scanning tools, and a complete set of FPGA tools.
High End Personnel Team
A group of comprehensive talents with rich technical and management experience in software project management, quality assurance, lean measurement, software evaluation, etc. have been gathered. All testing personnel have undergone systematic training and regularly participate in relevant ability comparisons to ensure the scientificity and impartiality of testing and evaluation results,
Leading Technical Capabilities
Combining years of software evaluation experience, continuously iterating and updating the testing and training system based on the Lean Competency Roadmap, we have built testing level testing capabilities and multiple professional technical capabilities throughout the software lifecycle.
National Service Network
Relying on theGRGTEST National Service Platform, it can quickly respond to enterprise needs and provide on-site testing services nearby.
Service Cases
The downstream OEM vehicle of a certain VCU supplier is going to be exported to the European Union.GRGTEST has completed its VCU product R155 compliance testing and passed the WP.29 R155 review agency acceptance.

Q&A
Q: How are R155 vehicles classified?
A:① M-class refers to passenger four-wheel vehicles, which are divided into three categories based on the number of passengers and the maximum design total mass of the vehicle: M1, M2, and M3.
② Class N refers to cargo vehicles, which are divided into three categories based on their maximum designed total mass: N1, N2, and N3.
③ Class O refers to trailers, which are divided into four categories based on the maximum design total mass of the vehicle: O1, O2, O3, and 04.
④ L class refers to two or three wheeled vehicles, which are divided into seven categories based on engine displacement, vehicle speed, and power: L1, L2, L3, L4, L5, L6, and L7.
⑤ G-class refers to off-road vehicles. G-class vehicles are not a separate category, but one of the M and N categories.
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