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A transmission control unit (TCU), also known as a transmission control module (TCM), or a gearbox control unit (GCU), is a type of automotive ECU that is used to control electronic automatic transmissions.
An engine control unit (ECU), also called an engine control module (ECM), [1] is a device that controls various subsystems of an internal combustion engine.
The ECM is a type of electronic control unit (ECU), which is an embedded system that employs software to determine the required throttle position by calculations from data measured by other sensors, including the accelerator pedal position sensors, engine speed sensor, vehicle speed sensor, and cruise control switches.
An electronic control unit (ECU), also known as an electronic control module (ECM), is an embedded system in automotive electronics that controls one or more of the electrical systems or subsystems in a car or other motor vehicle.
The 1992–93 LT1s used speed density fuel management, batch-fire fuel injection and a dedicated Engine Control Module (ECM). In 1994 the LT1 switched to a mass airflow sensor and sequential port injection. A new, more capable computer controlled the transmission as well as the engine and got a new name: Powertrain Control Module (PCM). Where ...
1991–2007 Chevrolet/GMC Suburban/GMC Yukon XL 1500 and 2500; 1991–2009 Chevrolet Van/Chevrolet Express/GMC Savana 2500 and 3500; 1995–1999 Chevrolet Tahoe/GMC Yukon 6.5L Diesel; 2002–2006 Chevrolet Avalanche 2500; 1992–2006 Hummer H1; 1992–1998 Rolls-Royce Silver Spirit/Spur II, III, IV; 1991–1992 Bentley Eight; 1991–1997 ...
The LS2 was introduced as the Corvette's new base engine for the 2005 model year. It also appeared as the standard powerplant for the 2005–2006 GTO. It produces 400 bhp (298 kW) at 6000 rpm and 400 lb⋅ft (542 N⋅m) at 4400 rpm from a slightly larger displacement of 5,967 cc (6.0 L; 364.1 cu in).
By activating and deactivating the solenoids in a predetermined pattern by the PCM, 4 distinct gear ratios can be achieved. ... Chevrolet Suburban 1500, 1993–2008 ...