Category SAE Standards

SAE J283 (originally issued in 1972 and reaffirmed until 2019) defines a standardized test procedure for measuring the hydraulic lift capacity of agricultural tractors equipped with a three-point hitch. Though the standard was cancelled in 2019, its methodology remains a…

SAE J2807 is a recommended practice that sets the benchmark for tow-vehicle performance and rating calculations. It ensures that passenger cars, multipurpose vehicles, and trucks up to 14,000 lbs GVWR have consistent and reliable trailering capabilities. This article delves into…

SAE J2809-2017 defines the proprietary serial data link protocol used for diagnostics on Honda Anti-lock Brake System (ABS) and Vehicle Stability Assist (VSA) ECUs. This standard is intended to be implemented alongside SAE J2534-2 to enable enhanced pass-thru programming and…

The Keyword Protocol 1281 (KWP1281) is a proprietary diagnostic communication protocol standardized in SAE J2818-2019. This SAE Information Report defines the protocol in enough detail to support implementation in an SAE J2534 interface device. KWP1281 is predominantly used in Volkswagen…

SAE J2766-2019 provides a recommended practice for estimating the total CO2-equivalent emissions from mobile air conditioning (MAC) systems over their entire life cycle. By integrating both direct refrigerant releases and indirect energy-related emissions, the standard enables engineers to evaluate the…

The SAE J2806-2024 recommended practice provides standardized procedures for off-vehicle testing of service brakes on vehicles with a gross vehicle weight (GVW) exceeding 10,000 pounds. It covers air, hydraulic, and mechanical actuation systems, establishing consistent methods to evaluate brake performance,…

The Single Edge Nibble Transmission (SENT) protocol, defined in SAE J2716-2016, is a robust digital communication standard widely used in automotive applications for transmitting sensor data such as pressure, position, and temperature. It enables high-speed data transfer over a single…

Overview and Purpose of SAE J2718 SAE J2718 is a recommended practice from SAE International that defines test procedures for determining the linear range longitudinal and lateral stiffness of a statically loaded, non-rotating tire. The standard covers two closely related…

SAE J2740 is an information report that defines the General Motors UART serial data communications protocol used in automotive networks. It outlines the system elements, communication timing, message formats, and error handling to ensure robust interoperability among electronic control units…

SAE J2669-2006 is a recommended practice that consolidates historic and current voltage regulation methods for 12 V automotive generator systems. It standardizes definitions and practices to reduce worldwide variation in how internal combustion engine vehicles control their electrical systems. The…