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OBD-II PIDs (On-board diagnostics Parameter IDs) are codes used to request data from a vehicle, used as a diagnostic tool.. SAE standard J1979 defines many OBD-II PIDs. All on-road vehicles and trucks sold in North America are required to support a subset of these codes, primarily for state mandated emissions inspections.
OBD 1.5 refers to a partial implementation of OBD-II which General Motors used on some vehicles in 1994, 1995 & 1996 (GM did not use the term OBD 1.5 in the documentation for these vehicles — they simply had an OBD and an OBD-II section in the service manual).
Assembly Line Diagnostic Link, Assembly Line Data Link, or ALDL is a proprietary on-board diagnostics system developed by General Motors before the standardization of OBD-2. It was previously called Assembly Line Communications Link or ALCL. The two terms are used interchangeably.
The first solely medium-duty GM truck platform. 2009 GMC TopKick. GMT 560: RWD/AWD: 2003: 2018: 2003 – 2010 GMC TopKick; 2003 – 2010 Chevrolet Kodiak; 2003 – 2018 Isuzu H-Series; The successor to the GMT 530 platform. The last solely medium-duty GM truck platform. 1999 Chevrolet Express. GMT 600: RWD: 1995: 2002: 1996 – 2002 Chevrolet ...
The Chevrolet Silverado EV is a battery electric full-size pickup truck, to go on sale in Fall 2023 as part of the 2024 model year. Although it uses the Silverado nameplate, it shares few structural traits with the Silverado line, and is instead based on the electric platform used by the GMC Hummer EV.
The federal investigation covers select Chevrolet, Cadillac, and GMC trucks and SUVs built with the 6.2-liter L87 V-8 between the 2019 and 2024 model years. Feds Investigating 877K GM SUVs ...
Society of Automotive Engineers standard SAE J1939 is the vehicle bus recommended practice used for communication and diagnostics among vehicle components. Originating in the car and heavy-duty truck industry in the United States, it is now widely used in other parts of the world.
The data link connector (DLC) is the multi-pin diagnostic connection port for automobiles, trucks, and motorcycles used to interface a scan tool with the control modules of a given vehicle and access on-board diagnostics and live data streams. [1] Prior to 1996, many OBD-I data link connector's were in the engine compartment, usually near the ...