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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 361 (Automatic Transmission - 2ML70 - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P0776 or P0777 >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2011 GMC Yukon, 2011 Chevrolet Tahoe, and 2011 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.

The clutch pressure control solenoid 2 is part of the control solenoid valve assembly and is not serviced separately. The clutch pressure control solenoid 2 controls transmission fluid pressure to the hybrid direct, 2-3-4 clutch regulator valve. The transmission control module (TCM) monitors the transmission fluid pressure switch 3 state, in order to determine function of the clutch pressure control solenoid 2 and the hybrid direct, 2-3-4 clutch regulator valve. When the clutch pressure control solenoid 2 is commanded ON, the transmission fluid pressure switch 3 state should be High. When the clutch pressure control solenoid 2 is commanded Off, the transmission fluid pressure switch 3 parameter state should be Low.

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