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Home >> GMC >> 2011 >> Yukon Base, 5.3 3 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Automatic Transmission - 2ML70 - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P0961-P0963 >> Circuit/System Description

Circuit/System Description

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The line pressure control solenoid is part of the control solenoid valve assembly and is not serviced separately. The line pressure control solenoid regulates the transmission fluid line pressure when the engine is running. The transmission control module varies the current to the normally high line pressure control solenoid valve from 0.1 A for maximum line pressure, to 1.1 A for minimum line pressure. This is accomplished by varying the current in order to obtain the desired line pressure in kPa (psi).