Conditions for Running 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.
P0776 or P0777
- The engine run time is greater than 1 second.
- Shift solenoid valve 1 is not in a transition state.
- The transmission line pressure is greater than 370 kPa (54 psi) and not fluctuating by greater than 30 kPa (4 psi).
- Propulsion is active.
P0776
The clutch pressure control solenoid 2 commanded pressure is greater than 1800 kPa (261 psi) for 4.5 seconds.
P0777
The clutch pressure control solenoid 2 commanded pressure is less than 5 kPa (1 psi) for 4.5 seconds.