Ensuring that any plug-in electric vehicle (PEV) works seamlessly with any electric vehicle supply equipment (EVSE) from different manufacturers is a critical challenge in the EV ecosystem. SAE J2953/2 establishes standardized test procedures to verify this interoperability, covering everything from…

The SAE J2945/C-2022 standard establishes a comprehensive framework for collecting environmental and sensor data from connected vehicles and transmitting it to central repositories for analysis. It supports a wide range of intelligent transportation applications such as mobility analysis, roadway condition…

Published in 2016, SAE J2945‑1 is the first edition of on‑board system requirements for Vehicle‑to‑Vehicle (V2V) safety communications. It provides the information necessary to build interoperable systems that support select safety applications relying on the exchange of Basic Safety Messages…

Ensuring the structural integrity of braking systems in heavy vehicles is critical for safety and performance. SAE J294-2021 provides a standardized test procedure for evaluating the brake system's structural endurance and ultimate strength on trucks, buses, and combination vehicles with…

This article provides an overview of the technical requirements and design considerations outlined in SAE J2945/1B-2024, the standard for on-board vehicle-to-vehicle (V2V) safety communications specifically for non-light-duty vehicles and motorcycles. The standard addresses the unique challenges posed by larger vehicles,…

🛠️ Note: this article focuses on engineering interpretation, not clause-by-clause translation. Developing interoperable Dedicated Short Range Communication (DSRC) systems for vehicle-to-vehicle (V2V) and vehicle-to-infrastructure (V2I) applications demands a structured systems engineering approach. SAE Standard J2945_201712 provides essential process guidance and…

Brake noise and vibration remain top concerns for automotive NVH engineers. The SAE J2933-2022 standard provides a consistent, reliable framework for measuring the resonant frequencies of disc brake rotors and drums. Whether you’re validating a new design or ensuring production…

Scope and Rationale SAE J2936-2012 provides comprehensive labeling guidelines for energy storage devices, including cells, batteries, and packs, across their entire lifecycle. Developed to address the need for standardized labeling in the face of new technologies and global regulations, this…

SAE J2929 establishes the minimum safety criteria for lithium-based rechargeable battery systems used as energy storage in electric and hybrid vehicle propulsion. This standard ensures that a single point fault will not lead to fire, explosion, enclosure rupture, or high…

SAE J293-2017 is a recommended practice that establishes minimum performance requirements for parking brake systems on heavy vehicles, including trucks, buses, truck-tractors, full trailers, and semitrailers with gross vehicle weight ratings greater than 4540 kg (10,000 lb). This standard ensures…

🔍 The latest revision of SAE J2932, updated in February 2023, sets comprehensive test requirements for air disc brake actuators used in commercial vehicles. This recommended practice defines performance, durability, and environmental criteria for both service and parking chambers, reflecting…

Scope and Purpose SAE J2918-2022 defines standardized test procedures and performance requirements for engine-off heating, ventilation, and air conditioning (HVAC) systems in heavy trucks (Class 6, 7, and 8) with and without sleeper compartments. The standard addresses the need for…

Rollover crashes are among the most severe vehicle accidents, involving complex dynamics and multiple injury mechanisms. SAE J2926 (reaffirmed 2021) provides a structured catalog of rollover testing methods—full-vehicle, component, and computational—that engineers can use to evaluate and improve vehicle rollover…

Hybrid and electric powertrains bring substantial benefits in efficiency and emissions, but they also introduce high voltage systems that demand rigorous safety engineering. For commercial vehicles in Class 4 through 8 — including heavy trucks, buses, and vocational vehicles —…

Manufacturers and service providers in the mobile air conditioning (MAC) industry often need to certify their components, service equipment, or technician training programs to demonstrate compliance with SAE J standards. SAE J2911 (revised February 2020) provides the formal procedure for…

With the automotive industry’s shift toward lower-GWP refrigerants like R-1234yf (HFO-1234yf), the need for precise and safe leak detection equipment has never been greater. SAE J2913-2025 establishes the minimum performance criteria for electronic probe-type leak detectors used in servicing motor…

As hydraulic hybrid powertrains proliferate in commercial and passenger vehicles, the need for clear, consistent terminology becomes critical. SAE J2898-2012 fills this gap by providing a comprehensive set of terms, definitions, abbreviations, and acronyms that enable engineers, technicians, and diagnosticians…