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Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 10 (Automatic Transmission - VT40 (MRG) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P0964-P0968, P0970, P0971, P2670, P2671, P2727, P2729, or P2730 >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.

For an overview of the component/system, refer to:Electronic Component Description

Circuit Description
Control - Terminal 28 The output circuit is switched to 12 V to activate the component.
Control - Terminal 14, 24, 26 The output circuit is switched to ground to activate the component.
The output is PWM controlled.
Component Description
K71 Transmission Control Module The control module contains a microprocessor used to process input data to control outputs.The control module contains a microprocessor used to process input data to control outputs.The control module receives information from a variety of sensors, switches and serial data information from other control modules. This information is used to control a combination of solenoid valves to obtain the correct line pressure, gear ratio and torque converter clutch operation.
Q77 Transmission Control Solenoid Valve A linear solenoid actuator is an electro-mechanical device that converts electrical power into a mechanical pushing or pulling force or motion.
  • The solenoid actuator varies the force depending on the current applied to the solenoid coil.
  • The solenoid actuator applies minimum force with minimum current applied to the solenoid coil.
  • The solenoid actuator applies maximum force with maximum current applied to the solenoid coil.
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