Test Description

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

The number below refers to the step number on the diagnostic table.

2: This step inspects the transmission fluid to ensure that it is at the proper level.

DTC P0780

Step	Action	Yes	No
1	Did you perform the Diagnostic System Check - Vehicle?	Go to Step 2	Go to Diagnostic System Check - Vehicle
2	Did you perform the Transmission Fluid Checking Procedure?	Go to Step 3	Go to Transmission Fluid Checking
3	Install a scan tool. Turn ON the ignition, with the engine OFF. IMPORTANT: Before clearing the DTC, use the scan tool in order to record the Freeze Frame and Failure Records. Using the Clear Info function erases the Freeze Frame and Failure Records from the PCM. Record the DTC Freeze Frame and Failure Records. Clear the DTC. Drive the vehicle in 5th gear at speeds above 80 km/h (50 mph). Does the DTC reset?	Go to Step 4	Go to Diagnostic Aids In This Test
4	Inspect for the following conditions: The pressure regulator valve for being stuck due to sediment or binding The shift valve D hydraulic fluid circuits for damage The shift valve D for being stuck Refer to Main Control Valve Body Assembly Overhaul . Repair any of the above conditions as necessary. Did you complete the repair?	Go to Step 5	-
5	Perform the following procedure in order to verify the repair: Select DTC. Select Clear Info. Drive the vehicle in 5th gear at speeds above 80 km/h (50 mph). Select Specific DTC. Enter DTC P0780. Has the test run and passed?	Go to Step 6	Go to Step 2
6	With the scan tool, observe the stored information, capture info and DTC info. Does the scan tool display any DTCs that you have not diagnosed?	Go to Diagnostic Trouble Code (DTC) List - Vehicle	System OK