DTC Troubleshooting: P0780
DTC P0780: Shift Error
NOTE:
Before you troubleshoot, record all freeze data and any on-board snapshot with the HDS, and review the General Troubleshooting Information.
This code is stored whenever DTCs P1898 and P1899 are detected.

DTC Description
Confirmed DTC
Pending DTC
Freeze Frame
P0780 Shift Error
      

1.
DTC check:

DTC check:
?1.
Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.

?2.
Clear the DTC with the HDS.


?3.
Start the engine.

?4.
Test-drive the vehicle in D until the vehicle speed reaches 37 mph (60 km/h). Slow down and stop the vehicle, then accelerate from a stop at full throttle in D until the vehicle speed reaches 37 mph (60 km/h).

?5.
Check for other Pending or Confirmed DTCs indicated along with DTC P0780 with the HDS.
NOTE: P0780 means there is one or more CVT DTCs regarding the shift control system.

DTC Description
Confirmed DTC
Pending DTC
Freeze Frame
P0780 Shift Error
      
P1898 CVT Drive Pulley Pressure Control Valve Stuck ON or CVT Driven Pulley Pressure Control Valve Stuck OFF
      
P1899 CVT Drive Pulley Pressure Control Valve Stuck OFF or CVT Driven Pulley Pressure Control Valve Stuck ON
      

Are there other DTCs?

     
YES
     
     
     
Go to the indicated DTC's troubleshooting.?
     
NO
     
     
     
There are no DTCs along with DTC P0780. Update the PCM or substitute a known-good PCM, then do the repair verification.
Repair verification (OBD STATUS check):

?1.
Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.

?2.
Clear the DTC with the HDS.


?3.
Start the engine, shift the shift lever to D while pressing the brake pedal, and wait for at least 5 seconds.

?4.
Test-drive the vehicle in D, accelerate from a stop at over 0.6/8 throttle (with 1.26 V of the APP sensor voltage by monitoring APP Sensor A (V) with the HDS) until the vehicle speed reaches 37 mph (60 km/h) on a flat road for at least 12 seconds. Slow down and stop the vehicle, then accelerate from a stop at full throttle in D until the vehicle speed reaches 37 mph (60 km/h).

?5.
Monitor the OBD STATUS for P0780 in the DTCs MENU with the HDS.
DTC Description
OBD Status
P0780 Shift Error
  


Does the HDS indicate PASSED, FAILED, or NOT COMPLETED?

     
PASSED
     
     
     
Troubleshooting is complete. If the PCM was substituted, replace the original PCM. Check for other DTC after this troubleshooting. If any other Pending or Confirmed DTCs were indicated, go to the indicated DTC's troubleshooting.?
     
FAILED
     
     
     
Troubleshooting is incomplete. Go to step 1, and recheck. If the PCM was updated, substitute a known-good PCM, and check the OBD STATUS again.
     
NOT COMPLETED
     
     
     
Repair verification is incomplete. Meet the test condition, and check the OBD STATUS again.