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Home >> Cadillac >> 2009 >> Escalade Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 (Automatic Transmission - 2ML70 - DTC P0969 To DTC P2730) >> DTC P2728-P2730 >> Circuit/System Description

Circuit/System Description

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The clutch pressure control (PC) solenoid 5 is part of the control solenoid (w/body and TCM) valve assembly and is not serviced separately. The transmission control module (TCM) supplies 12 volts to the PC solenoid 5 through the high side driver 1 circuit. The TCM controls the PC solenoid 5 through the PC solenoid 5 control circuit. The normally low PC solenoid 5 flows fluid to the actuator feed limit valve when commanded ON and exhausts fluid when commanded OFF. The clutch PC solenoid 5 regulates the transmission fluid pressure from the auxiliary transmission fluid pump in order to maintain transmission fluid pressure during electric only and auto-stop modes.