DTC U3000-51: ECU Software Update Failure (KA/KC models (EPS Control Unit))

NOTE: 

• Before you troubleshoot, review the general troubleshooting information .
• This DTC is indicated when the EPS control unit update is not completed.

DTC (EPS)

1. Problem verification:

   - 1. Turn the vehicle to the ON mode.

   - 2. Clear the DTC with the HDS.

   Clear DTCs

   - 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):

   - 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.