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Home >> Cadillac >> 2019 >> CTS V >> Repair and Diagnosis >> External Pages >> Different car >> Section 68 (Automatic Transmission - 8L45 (M5N) Or 8L90 (M5U) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P0960, P0962-P0964, P0966-P0968, P0970, P0971, P2736, P2738, P2739, P2812, P2814, P2815, P2824, P2826, or P2827 >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2018 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
Circuit Description
Control - Terminal 3, 4, 5, 6, 10 The output is PWM controlled.
Control - Terminal 7 The output circuit is switched to ground to activate the component.
Component Description
K71 Transmission Control Module 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 solenoid valve is an electro-mechanically operated valve. The valve is controlled by an electric current through the solenoid.
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