Conditions for Setting the DTC
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.
P2728
The transmission control module detects an internal electrical performance malfunction of the clutch pressure control solenoid 5 control circuit when the actual pressure does not equal the commanded pressure for 5 seconds.
P2729
The transmission control module detects an internal low voltage electrical malfunction of the clutch pressure control solenoid 5 control circuit for 500 milliseconds.
P2730
The transmission control module detects an internal high voltage electrical malfunction of the clutch pressure control solenoid 5 control circuit for 500 milliseconds