DTC Troubleshooting: P0777
DTC P0777: CVT Driven Pulley Pressure Control Solenoid Valve Stuck ON
NOTE: Before you troubleshoot, review the General Troubleshooting Information.

DTC Description
Confirmed DTC
Pending DTC
Freeze Frame
P0777 CVT Driven Pulley Pressure Control Solenoid Valve Stuck ON
      

1.
Transmission Fluid (HCF-2) check:

Transmission Fluid (HCF-2) check
?1.
Start the engine, and warm it up to normal operating temperature (the radiator fan comes on twice).

?2.
Make sure that the transmission is filled to the proper level, and check for fluid leaks.

?3.
Drain the transmission fluid (HCF-2) through a strainer. Inspect the strainer for metal debris or excessive clutch material.

Does the strainer have metal debris or excessive clutch material?

     
YES
     
     
     
     
NO
     
     
     
2.
DTC check:

DTC check
?1.
Turn the vehicle to the ON mode.

?2.
Clear the DTC with the HDS.


?3.
Test-drive the vehicle in D position/mode 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 position/mode until the vehicle speed reaches 37 mph (60 km/h).

?4.
Turn the engine off. Repeat the test-drive in step 2-3 again.

?5.
Check for Pending or Confirmed DTCs with the HDS.
DTC Description
Confirmed DTC
Pending DTC
Freeze Frame
P0777 CVT Driven Pulley Pressure Control Solenoid Valve Stuck ON
      

Is DTC P0777 indicated?

     
YES
     
     
     
The failure is duplicated. Faulty CVT driven pulley pressure control solenoid valve. Replace the valve body assembly.?
     
NO
     
     
     
Intermittent failure, the system is OK at this time. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the freeze data/on-board snapshot.?