DTC Troubleshooting: U0402-68
DTC U0402-68: TCM Failure
NOTE: Before you troubleshoot, review the general troubleshooting information.

DTC Description
DTC
Freeze Frame
U0402-68 TCM Failure
    

1.
CVT DTCs check:

CVT DTCs check
?1.
Check for CVT DTCs with the HDS.
DTC Description
Confirmed DTC
Pending DTC
Freeze Frame
       

Are any DTCs indicated?

     
YES
     
     
     
Go to indicated DTCs troubleshooting.?
     
NO
     
     
     
Go to step 2.
2.
Problem verification:

Problem verification
?1.
Clear the DTC with the HDS.


?2.
Turn the vehicle to the OFF (LOCK) mode.

?3.
Test-drive the vehicle at 6 mph (10 km/h) or more.
NOTE: Drive the vehicle on the road, not on a lift.

?4.
Check for DTCs with the HDS.
DTC Description
DTC
Freeze Frame
U0402-68 TCM Failure
    

Is DTC U0402-68 indicated?

     
YES
     
     
     
Check for loose terminals and poor connections in the VSA modulator-control unit 46P connector. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting. If they are OK, replace the VSA modulator-control unit.?
     
NO
     
     
     
Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting. 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.?