Nissan and Honda Sign SDV Joint Development Agreement

Nissan and Honda Standardize Core SDV Technologies

On August 31, 2026, Nissan Motor Co Ltd and Honda Motor Co Ltd announced the Nissan Honda SDV Joint Development Agreement to standardize multiple electronic control units (ECUs) that form the core of next-generation software-defined vehicles (SDVs). The agreement also covers the in-vehicle operating system, key parts of the middleware, and vehicle control software running on these ECUs. By jointly developing these foundational technologies, the companies intend to establish a common technical base for future vehicle architectures while combining their engineering capabilities, talent, and development resources.

Focus on Development Efficiency and Competitiveness

The standardization initiative is designed to improve development efficiency, accelerate technology deployment, and strengthen competitiveness by reducing development costs and creating greater economies of scale. Rather than developing all foundational electronic and software components independently, the two companies will combine their respective engineering expertise and resources around common technologies. This approach is intended to help both organizations manage the increasing complexity of software-defined vehicle development while improving the efficiency of research and development investment. The jointly developed technologies are therefore positioned as a practical measure within the broader strategic partnership between Nissan Motor Co Ltd and Honda Motor Co Ltd.

Next-Generation SDVs Targeted From Fiscal Year 2029

The E/E architecture incorporating the jointly developed ECUs and software is planned for application in next-generation SDVs from fiscal year 2029 onward. This architecture will incorporate the standardized electronic control units together with the jointly developed operating system, selected middleware components, and vehicle control software. The planned timing establishes a longer-term development horizon for the collaboration and indicates that the work is intended to support future vehicle generations rather than an immediate product update. The companies are continuing development with the objective of translating their shared technology efforts into vehicle architectures that can be deployed across their respective next-generation SDV programs.

SDV Software Identified as a Strategic Collaboration Area

As part of their strategic partnership, Nissan and Honda are continuing to examine collaboration opportunities across multiple areas aimed at accelerating progress toward carbon neutrality and helping realize a future with zero traffic fatalities involving their vehicles. The software domain centered on SDVs has been identified as an important collaboration area because it plays a central role in vehicle intelligence and electrification. Rapid technological innovation in this field, combined with the need to strengthen competitiveness through faster research and development and more efficient investment, is increasing the importance of shared foundational software and electronic technologies.

Building on Complementary Strengths

Nissan Motor Co Ltd and Honda Motor Co Ltd said they will continue building on their respective strengths while exploring additional opportunities to create new value. The companies intend to deepen their collaboration and implement tangible measures quickly as their strategic partnership develops. The ECU and software standardization agreement represents one concrete step toward that objective, with common foundational technologies expected to support future SDV development. The initiative also reflects the broader industry shift toward software-defined architectures, where electronic systems, operating software, middleware, and vehicle control functions increasingly determine how vehicles are developed and updated.

Frequently Asked Questions

What are Nissan and Honda standardizing for next-generation software-defined vehicles?
Nissan and Honda are jointly standardizing multiple electronic control units, an in-vehicle operating system, key middleware components, and vehicle control software that form the foundation of next-generation software-defined vehicles. The companies expect these technologies to improve development efficiency, reduce costs, accelerate R&D, and create economies of scale. The jointly developed E/E architecture is planned for use in both companies' next-generation SDVs from fiscal year 2029 onward, supporting their broader strategic partnership and efforts to strengthen competitiveness in vehicle intelligence and electrification.