eSync Alliance Program

A Multi-Company Initiative for OTA Updates and Diagnostics


An initiative throughout the automotive electronics ecosystem

The eSync Alliance creates a high-confidence multi-vendor path to creating end-to-end secure OTA
and data services for the connected car through a global network of co-operating suppliers


A Common Architecture and APIs for Cloud-to-End-Device Data-Push and Data-Pull

Protecting safety and privacy with end-to-end cybersecurity

Retrieving and managing
diagnostic data

Updating and fine tuning software in any number of end-devices

Releasing final builds to cars at transit and dealer locations

Building secure and reliable OTA and diagnostics: a non-trivial exercise
Maximum value: one system to reach all devices in the vehicle


The eSync Alliance includes the following three components


Member companies provide eSync Compliant products or services, and work with other members to support OEM integration efforts


Defines the architecture, APIs, minimum common feature set, and criteria for a product to use the eSync Compliant mark


Indicates when a product has met all the requirements of the eSync Compliance Program


The eSync Alliance allows all companies in the automotive value chain to benefit from OTA, even if they’ve not acquired an OTA vendor or created an in-house solution

Simplifies OTA deployments by defining and standardizing features and APIs for OTA updates and diagnostics

Seamlessly crosses boundaries of all in-vehicle networks to reach any eSync Compliant module (TCU, ECU, IVI, ADAS, etc)

Covers cloud-to-car connectivity, vehicle gateways, data management, and middleware with end-to-end cybersecurity



• Seamless and secure end-to-end solution
• Accelerated integration timelines
• Faster time-to-market
• Reduced risk
• Multi-vendor support


• Path to proven OTA and diagnostics capabilities
• Simplified development
• Reduced integration time
• Streamlined delivery
• Greater value to OEM


Why OTA Standards Can Be Key to Embracing Automotive Regulation

Why OTA Standards Can Be Key to Embracing Automotive Regulation  In the rapidly evolving landscape of the automotive industry, regulations will undoubtedly play a pivotal role in shaping the future of vehicular technology. Two such regulations, WP.29 R155 and R156,...

eSync Alliance Strengthens Membership with Tata Elxsi

eSync Alliance strengthens membership with Tata Elxsi   Tata Elxsi joins leading OEMs, Tier-1 suppliers, and technology companies as an eSync Alliance member The business offers a range of innovative design and digital-enabled engineering services to power...

GuardKnox Joins eSync Alliance

Helping Automakers Secure the Software-Defined Vehicle: GuardKnox Joins eSync Alliance   Silicon Valley, CA, March 28, 2023 – The eSync Alliance, a global network of co-operating suppliers established to build a high-confidence, multi-vendor path for end-to-end...

Automakers lose $900 million in recalls

Auto makers lose $900 million in recalls due to inadequate over-the-air update capability More than 3 million vehicles estimated to have been recalled in the USA and Europe for software-related issues in 2021, OTA updates could have mitigated the need Twice as many...

CES a strong start for eSync Alliance 2023

It has been a busy start to 2023 for the eSync Alliance team. Only a few days into the new year, we were bound for Las Vegas to showcase our technology at the world-renowned CES. Alongside our partners at the Autoware Foundation, we demonstrated how our technology...


The eSync Alliance is working with a number of leading automotive suppliers and is adding new members all the time

Find out more information about the program including how you can become a certified eSync Compliant member