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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.
The standard defines a 2-wire 18 gauge wire cable that can run up to 130 feet (40 m) and operates at 9600 bit/s. A message is composed of up to 21 characters, unless the engine is stopped and the vehicle is not moving in which case transmitters are allowed to exceed the 21 byte max message length.
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.
In 2004 the 14-Liter engine became the dominant platform in Freightliner over the road sleeper trucks and changed the ECM to a DDEC V. The 12.7L engine was favored in buses for its better fuel consumption. [5] In 2007 the 12.7-liter Detroit Diesel Series 60 was discontinued.
Freightliner Trucks is an American semi truck manufacturer. [1] Founded in 1929 as the truck-manufacturing division of Consolidated Freightways (from which it derives its name), the company was established in 1942 as Freightliner Corporation. [2]
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Trump wrote the tariffs on Mexico and Canada will take effect if the two countries don’t take strong action to clamp down on illegal immigration and illicit drug flows.
The M915 has a 855 cu in (14.0 L) Cummins NTC 400 developing 400 hp (300 kW) at 2100rpm and 1,150 lbf⋅ft (1,559 N⋅m) of torque at 1500rpm. The M915A2 had a 775 cu in (12.7 L) Detroit Diesel Series 60 DDEC II developing 400 hp (300 kW) at 2100rpm and 1,400 lbf⋅ft (1,898 N⋅m) of torque at 1200rpm.