New 6T40/6T45 Transmission Control Module For Various GM Models.Gen 2 Transmission Control Module fits years 2014 - 2020. YEAR MAKE MODEL NOTES 2020 Chevrolet Sonic 2020 Chevrolet Trax Automatic Trans. 2019 Chevrolet Sonic 2019 Chevrolet Trax Automatic Trans. 2018 Chevrolet Sonic Automatic Trans. 2018 Chevrolet Trax Automatic Trans. 2017 Buick Verano Automatic Trans. 2017 Chevrolet Equinox L4 145 2.4L (2384cc); Automatic Trans.; 6T45 Trans. 2017 Chevrolet Sonic Automatic Trans. 2017 Chevrolet Trax Automatic Trans. 2017 GMC Terrain L4 145 2.4L (2384cc); Automatic Trans.; 6T45 Trans. 2016 Buick LaCrosse L4 145 2.4L (2384cc); Automatic Trans.; 6T40 Trans. 2016 Buick Regal L4 145 2.4L (2384cc); MILD HYBRID EV-GAS (MHEV); 6T40 Trans. 2016 Buick Verano Automatic Trans. 2016 Chevrolet Captiva Sport Mexico Region 2016 Chevrolet Cruze L4 110 1.8L (1796cc); Automatic Trans. 2016 Chevrolet Cruze L4 83 1.4L (1364cc); Automatic Trans. 2016 Chevrolet Cruze L4 85 1.4L (1399cc); Automatic Trans. 2016 Chevrolet Equinox L4 145 2.4L (2384cc); Automatic Trans.; 6T45 Trans. 2016 Chevrolet Sonic Automatic Trans. 2016 Chevrolet Trax Automatic Trans. 2016 GMC Terrain L4 145 2.4L (2384cc); Automatic Trans.; 6T45 Trans. 2015 Buick Encore 2015 Buick LaCrosse L4 145 2.4L (2384cc); Automatic Trans.; 6T40 Trans. 2015 Buick Regal L4 145 2.4L (2384cc); MILD HYBRID EV-GAS (MHEV); 6T40 Trans. 2015 Buick Verano Automatic Trans. 2015 Chevrolet Captiva Sport Automatic Trans. 2015 Chevrolet Cruze L4 110 1.8L (1796cc); Automatic Trans. 2015 Chevrolet Cruze L4 83 1.4L (1364cc); Automatic Trans. 2015 Chevrolet Equinox L4 145 2.4L (2384cc); Automatic Trans.; 6T45 Trans. 2015 Chevrolet Sonic Automatic Trans. 2015 Chevrolet Trax Automatic Trans. 2015 GMC Terrain L4 145 2.4L (2384cc); Automatic Trans.; 6T45 Trans. 2014 Buick Encore 2014 Buick LaCrosse L4 145 2.4L (2384cc); Automatic Trans.; 6T40 Trans. 2014 Buick Regal L4 145 2.4L (2384cc); MILD HYBRID EV-GAS (MHEV); 6T40 Trans. 2014 Buick Verano Automatic Trans. 2014 Chevrolet Captiva Sport Automatic Trans. 2014 Chevrolet Cruze 6T30 Trans. 2014 Chevrolet Cruze 6T40 Trans. 2014 Chevrolet Equinox L4 145 2.4L (2384cc); Automatic Trans.; 6T45 Trans. 2014 Chevrolet Impala 6T40 Trans. 2014 Chevrolet Malibu L4 145 2.4L (2384cc); Automatic Trans.; 6T40 Trans. 2014 Chevrolet Orlando Automatic Trans. 2014 Chevrolet Sonic Automatic Trans. 2014 Chevrolet Trax Canada Region; Automatic Trans. 2014 Chevrolet Trax Mexico Region; Automatic Trans. 2014 GMC Terrain L4 145 2.4L (2384cc); Automatic Trans.; 6T45 Trans.
The TEHCM is essentially the brain of the transmission, responsible for controlling the shifting of gears, managing hydraulic pressure, and communicating with other vehicle systems.
Control of Shift Solenoids: Similar to other automatic transmissions, the TEHCM in the 6T40 and 6T45 controls the operation of shift solenoids. These solenoids regulate the flow of transmission fluid to engage or disengage clutches and bands, thus controlling gear changes. The TEHCM sends electronic signals to these solenoids to open or close them based on various parameters such as vehicle speed, engine load, and throttle position.
Transmission Pressure Control: The TEHCM module in these transmissions also manages hydraulic pressure to ensure smooth and precise gear shifts. It monitors input from various sensors to adjust pressure levels as needed for optimal performance and efficiency. Pressure control is crucial for engaging clutches and bands at the right time and with the correct force.
Adaptive Learning: Like many modern transmissions, the 6T40 and 6T45 equipped with TEHCM modules often feature adaptive learning capabilities. This means the transmission can adapt its shift patterns and pressure control strategies based on driving conditions and driver behavior. The TEHCM module continuously monitors data from sensors and adjusts transmission operation to provide smoother shifts and better performance over time.
Diagnostic Functions: The TEHCM module constantly monitors the transmission for any abnormalities or faults. If it detects a problem, such as irregular fluid pressure or solenoid malfunctions, it can trigger warning lights on the vehicle's dashboard and store diagnostic trouble codes (DTCs). These codes help technicians diagnose and repair transmission issues quickly and accurately.
Communication with Vehicle Systems: The TEHCM module communicates with other onboard vehicle systems, including the engine control module (ECM), traction control system, and anti-lock braking system (ABS). This communication ensures seamless integration of transmission operation with overall vehicle performance and safety systems.
Software Control: The TEHCM operates using embedded software programs specifically designed for the 6T40 and 6T45 transmissions. These programs govern various aspects of transmission operation, including shift points, torque converter lockup, and adaptive learning algorithms. Manufacturers may release software updates to improve transmission performance, reliability, or fuel efficiency.
Summary:, The TEHCM module in the 6T40 and 6T45 transmissions plays a crucial role in controlling gear shifts, managing hydraulic pressure, adapting to driving conditions, performing diagnostics, communicating with other vehicle systems, and ensuring smooth and efficient operation of the transmission. Its sophisticated control algorithms and integration capabilities contribute to the overall performance and reliability of these transmissions.
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