The SAE J2534-2/10_0500 standard defines how to add analog input functionality to Pass-Thru vehicle diagnostic interfaces. Released in 2022 and aligned with API version 05.00, this document is part of a series that modularizes each extended feature for easier maintenance.…

The SAE J2534-2/9_500 standard extends the pass-thru interface to support Ethernet NDIS, enabling high-speed vehicle diagnostics and programming over automotive Ethernet networks. This document defines the required changes to the SAE J2534-1_0500 API for integrating the Microsoft Network Driver Interface…

Overview and Rationale The SAE J2534-2-2-2022 standard defines extended features for pass-thru devices to support the GM UART protocol for vehicle diagnostics. It is part of the SAE J2534 series and updates previous versions to align with SAE J2534-1_0500 (API…

This article summarizes findings from SAE Information Report J3171, which provides a literature review and expert interview results on universal design principles for Automated Driving Systems-Dedicated Vehicles (ADS-DVs). The report specifically addresses how to accommodate users who cannot obtain a…

This article provides professional guidance on identifying and repairing high strength steel (HSS) components in automotive structures, based on the principles outlined in SAE J1554 (1985). As vehicles increasingly use HSS for weight reduction and crash energy management, repair technicians…

The growing adoption of alternative fuels in transportation demands that engine testing methodologies evolve accordingly. Standard test procedures designed for gasoline or diesel may not directly apply to fuels such as methanol, ethanol, natural gas, propane, or hydrogen. The SAE…

Crash testing hydrogen fuel cell vehicles (FCVs) introduces hazards beyond those of conventional vehicles. SAE J3121 (2022) provides essential context for labs to develop robust safety procedures. This article outlines the main risk categories and countermeasures every facility should consider.…

The Initial Graphics Exchange Specification (IGES) has long served as a neutral file format for transferring graphic data between dissimilar CAD/CAM systems. SAE J1881-2001, a recommended practice issued by the Society of Automotive Engineers, provided a framework for using IGES…

SAE J1746 defines a standardized method for communicating spatial data references between central sites and mobile vehicles, enabling consistent location referencing across intelligent transportation system (ITS) applications. First issued in 1999 and stabilized in 2019, this standard provides a robust…

As hydrogen fuel cell vehicles become more widespread, ensuring consistent fuel quality is critical for performance and durability. SAE J2719, revised in March 2020, is the automotive industry standard that defines the quality of hydrogen fuel at commercial dispensing stations…

The SAE J2799 standard defines the hardware and software requirements for infrared (IrDA) communication between hydrogen surface vehicles and fueling dispensers. The 2024 revision introduces protocol version 2.00, enabling high-flow fueling (SAE J2601/5) with expanded temperature ranges and structured optional…

Hydrodynamic drives, including torque converters and fluid couplings, are critical components in automatic transmissions. To ensure consistent evaluation of their performance, SAE J643-2023 provides a standardized recommended practice for dynamometer testing. This article outlines the key aspects of the code,…

As automotive design pushes toward lighter, stronger materials, ultra high strength steels (UHSS) have become essential for mass reduction. However, these steels can be susceptible to hydrogen embrittlement, a phenomenon where absorbed hydrogen atoms cause delayed cracking under stress. SAE…

Need for Standardized Screening SAE J3219 fills a critical gap by providing uniform test methods for chemicals used during hydrogen refueling station (HRS) operation and maintenance, complementing existing hydrogen quality standards. Why Chemical Screening Matters for Fuel Cell Performance Proton…

The SAE J1689 standard establishes requirements for free-standing, nonintegral, flooded inlet hydraulic power units used in automotive manufacturing. By standardizing components like reservoirs, identification plates, and construction materials, it enhances reliability, maintainability, and supports zero-leakage goals. This article explores the…

The SAE J1780/HRP4382 recommended practice, issued in 1991, defines the technical content and format of hydraulic system diagrams for marine and submergence vehicles. Its purpose is to establish a minimum yet comprehensive standard that supports procurement, shipboard installation, troubleshooting, operation,…

Ensuring acceptable noise levels aboard ships and submersibles is critical for crew comfort, operational safety, and compliance with international regulations. Hydraulic systems used for steering, vehicle control, and utility services are significant contributors to both airborne and structure‑borne noise. This…