DTC P0780: Shift Error (CVT)

General Description 

DTC P0780 is stored when P1898 (CVT drive pulley pressure control valve stuck ON or CVT driven pulley pressure control valve stuck OFF), or P1899 (CVT drive pulley pressure control valve stuck OFF or CVT driven pulley pressure control valve stuck ON) codes is stored.

Monitor Execution, Sequence, Duration, DTC Type, OBD Status 

Execution	Continuous
Sequence	None
Duration	Depending on the driving conditions
DTC Type	Two drive cycles, MIL on, A/T gear position indicator blinks
OBD Status	PASSED/FAILED/NOT COMPLETED (STILL TESTING)

Enable Conditions 

Refer to the specific DTC information for P1898 or P1899.

Malfunction Threshold 

Either P1898 or P1899 is stored.

Possible Cause 

NOTE:  The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.

• Refer to the specific DTC information for P1898 or P1899

Confirmation Procedure 

Operating Condition 

Refer to the specific DTC information for P1898 or P1899.

With the HDS 

None.

Diagnosis Details 

Conditions for setting the DTC 

When a malfunction is detected during the first drive cycle, a Pending DTC is stored in the PCM memory. If the malfunction returns in the next (second) drive cycle, the MIL comes on and a Confirmed DTC and the freeze data are stored.

Conditions for clearing the DTC 

The MIL is cleared if the malfunction does not return in three consecutive trips in which the diagnostic runs. The MIL, the Pending DTC, the Confirmed DTC, and the freeze data can be cleared with the scan tool Clear command or by disconnecting the 12 volt battery.