Conditions for Running the DTC

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

P2728, P2729, or P2730

DTCs P2728, P2729, or P2730 have not set this ignition.
The ignition voltage is 8.6 volts or greater.
The engine speed is 400 RPM or greater for 5 seconds.
The clutch PC solenoid 5 is commanded ON.