Nissan and Honda to Co-Develop Next-Gen SDV Architecture

Nissan Motor Co., Ltd. and Honda Motor Co., Ltd. have signed a joint development agreement to standardize the core electronic control units (ECUs) and software for their next-generation software-defined vehicles (SDVs). This collaboration encompasses the in-vehicle operating system, key middleware components, and vehicle control software. By establishing common specifications for high-performance main ECUs and localized zone ECUs within their electrical/electronic (E/E) architectures, the automakers aim to reduce development costs, improve investment efficiency, and accelerate time-to-market.

The jointly developed hardware and software architectures are scheduled for integration into both companies' vehicle lineups starting in fiscal year 2029. This software-centric partnership is part of a broader strategic alliance designed to advance carbon neutrality, eliminate traffic fatalities, and strengthen global competitiveness through shared engineering resources and economies of scale.

Additional Context
This section provides technological and market background not explicitly detailed in the original release.

The automotive industry is undergoing a fundamental shift toward Software-Defined Vehicles (SDVs), where vehicle features, performance, and safety systems can be continuously upgraded via over-the-air (OTA) updates—much like a smartphone. Historically, vehicles utilized a highly distributed E/E architecture with dozens of isolated, single-function ECUs from various suppliers, making system-wide software updates nearly impossible. The new paradigm relies on "zonal" architectures that consolidate computing power into a few centralized High-Performance Computers (HPCs) driven by advanced Systems-on-Chip (SoCs). However, developing the proprietary operating systems and middleware to manage these centralized networks requires billions of dollars in R&D and specialized software talent. By pooling their resources, legacy automakers like Nissan and Honda can share this financial burden, enabling them to better compete against agile, tech-forward rivals such as Tesla and emerging Chinese EV manufacturers who currently dominate the SDV landscape.

Edited by Lekshman Ramdas, Induportals editor – adapted by AI.

www.nissan.com