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BeijingMay 25, 2026 /PRNewswire/ — Recently, Li Auto’s independently developed Passenger Zone Controller (PZCU) project successfully passed the rigorous evaluation of DEKRA and was awarded the ISO 26262:2018 ASIL-D functional safety product certification. This certification marks that Li Auto’s capabilities in functional safety research, design, and verification for zone controllers have met international standards, further solidifying its vehicle safety technology strength and accumulating valuable experience for the development of safety technology in the in-vehicle zone controller field.
Li Auto functional safety R&D team group photo
ISO 26262 is a globally recognized core standard for functional safety in automotive electrical and electronic systems. ASIL-D, as the highest safety level in this standard, imposes comprehensive and stringent requirements on a company’s development architecture, development processes, verification systems, and evidence chains. It requires systematic proof that the product can maintain safe operation under reasonably foreseeable failure conditions.
During the development of the PZCU project, Li Auto prioritized functional safety above all other development goals. To meet the highest safety requirements, Li Auto systematically decomposed safety goals, functional safety concepts, and technical safety concepts into every requirement at the system, hardware, and software levels in an engineering and structured manner. All requirements were then implemented throughout the entire process of design, implementation, and verification, forming a complete evidence loop. The successful achievement of this certification not only ensured the product’s safety compliance but also enabled Li Auto to develop a replicable, mass-producible, and continuously evolving methodology and engineering capability for ASIL-D zone controller product development.
ISO 26262 ASIL-D functional safety product certification certificate
Voices from Multiple Parties: Building a Safe Development Path Based on Certification
Ning Yunpeng, Director of Vehicle Control at Li Auto, stated: “This certification has effectively enhanced the team’s professional capabilities and functional safety awareness. The practice of advancing SOP through a complete safety development chain has helped us build the valuable ability to ‘prove that we have done functional safety well.’ We look forward to extending the results of this project to all mass-produced and future models, ensuring that while the vehicles are ‘usable and user-friendly,’ they always maintain a safety standard that is ‘controllable, trustworthy, and verifiable.'”
Wang Guangping, Director of Functional Safety at Li Auto, stated: “We are honored to receive the ISO 26262 ASIL-D certification. Li Auto is actively promoting the construction of a company-level functional safety system, striving to play a leading and exemplary role, making functional safety work substantive and in-depth, and laying a solid foundation for the high-quality development of intelligent vehicles.”
Zhang Min, Head of Software Management for Vehicle Control at Li Auto, stated: “The team’s investment in the PZCU project has value far beyond obtaining the certification certificate. The key gain is that the team has truly acquired the design capability to meet the stringent requirements of functional safety. With this capability, we can draw inferences and apply it to more subsequent projects, continuously empowering the safety development of future models.”
Li Mingxun, General Manager of Functional Safety at DEKRA China, stated: “Warm congratulations to Li Auto’s PZCU project for passing the certification! This certification is not only a technological breakthrough but will also help Li Auto build a company-level functional safety system. DEKRA China’s functional safety team has achieved full localization. With full authorization from headquarters and industry-leading certification efficiency, we look forward to becoming closer partners with Li Auto, jointly laying a solid foundation for the intelligent vehicle safety ecosystem.”