Honda, Nissan, and Mitsubishi to share parts starting with standardized ECUs to cut costs against Chinese rivals

Honda, Nissan, and Mitsubishi are moving to standardize electronic control units (ECUs) across their next-generation models, including hybrid and electric vehicles, as part of a cost-cutting strategy to better compete with Chinese automakers and Tesla by the end of the decade. The shared ECUs will integrate autonomous driving and onboard infotainment functions for software-defined vehicles (SDVs), streamlining development and procurement. While final details are still being worked out, an agreement on the framework could be reached within weeks, according to reports.

The move is part of a broader push to reduce costs and improve competitiveness in a rapidly evolving market. Beyond ECUs, Honda and Nissan are also exploring the standardization of onboard software and operating systems for future SDVs. The collaboration extends to production, with Honda and Nissan in advanced talks to establish a joint manufacturing partnership in the United States.

Under this potential deal, Nissan could supply pickup trucks to both Honda and Mitsubishi, while the companies may also collaborate on the development of larger vehicles. The partnership could leverage Nissan’s Canton Assembly plant in Mississippi, which has been operating below capacity since Nissan canceled plans last year to build two electric sedans at the facility. The initiative reflects the ongoing strategic alliance between Honda and Nissan, despite the collapse of merger talks roughly 18 months ago.

The two automakers have continued to collaborate on multiple projects, including shared production and development efforts, as they seek to strengthen their market positions against rising competition.