Conditions for Setting the DTC: P0965
WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
The TCM detects an internal electrical performance malfunction of the clutch PC solenoid control circuit when the actual variable high and 2-3-4 clutch pressure does not equal the commanded variable high and 2-3-4 clutch pressure for 5 seconds.