For the most authoritative and legal copy of the latest standard, you can visit the Official ISO Store comparison between the 2013 and 2020 versions? Unified diagnostic services (UDS) - ISO 14229-1:2020
The standard, commonly known as Unified Diagnostic Services (UDS) , is the bedrock of modern automotive communication. As of 2026, the standard remains in a state of active evolution, with the latest major published version being ISO 14229-1:2020 and subsequent critical updates addressing cybersecurity and authentication. iso 142291 pdf github new
: It defines the "language" used for diagnostics regardless of the physical bus (CAN, Ethernet, LIN). Key Services : Includes Diagnostic Session Control ( ), ECU Reset ( ), Read/Write Data by Identifier ( ), and Security Access ( Write-up for a GitHub Repository If you are putting together a or a project summary on GitHub, use this structure: 1. Project Title & Description UDS-ISO-14229-Implementation (or similar). For the most authoritative and legal copy of