DTC Troubleshooting: U3000-51
DTC U3000-51: ECU Software Update Failure
NOTE:
Before you troubleshoot, review the general troubleshooting information.
This DTC is indicated when the EPS control unit update is not completed.

DTC Description
DTC
Freeze Frame
U3000-51 ECU Software Update Failure
    

1.
Problem verification:

Problem verification
?1.
Turn the vehicle to the ON mode.

?2.
Clear the DTC with the HDS.


?3.
Turn the vehicle to the OFF (LOCK) mode, then to the ON mode.

?4.
Check for DTCs with the HDS.
DTC Description
DTC
Freeze Frame
U3000-51 ECU Software Update Failure
    

Is DTC U3000-51 indicated?

     
YES
     
     
     
The failure is duplicated. Go to step 2.
     
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.?
2.
EPS control unit check (update):

EPS control unit check (update)
?1.
Update the EPS control unit.

?2.
Turn the vehicle to the OFF (LOCK) mode, then start the engine.

?3.
Check for DTCs with the HDS.
DTC Description
DTC
Freeze Frame
U3000-51 ECU Software Update Failure
    

Is DTC U3000-51 indicated?

     
YES
     
     
     
Check for loose terminal and poor connection at the EPS control unit connector. If the EPS control unit was updated and the symptom/indication is still present, replace the EPS motor/control unit.?
     
NO
     
     
     
Troubleshooting is complete.?