DTC U3000-51
DTC U3000-51 : ECU Software Update Failure
NOTE:
- Before you troubleshoot, review the general troubleshooting information - Refer to:
- Do not turn the vehicle to the OFF (LOCK) mode while updating the VSA modulator-control unit. If you turn the vehicle to the OFF (LOCK) mode before completion, the VSA modulator-control unit will be damaged.
| DTC Description | DTC | Freeze Frame |
|---|---|---|
| U3000-51 ECU Software Update Failure |
DTC (VSA)
- 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. Refer to intermittent failures troubleshooting - Refer to:
How to Troubleshoot the VSA System (2014 2015 2016) or
How to Troubleshoot the VSA System (2017 2018 2019 2020)
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.
- VSA modulator-control unit check (update)
- 1. Update the VSA modulator-control unit.
- 2. Turn the vehicle to the OFF (LOCK) mode, then to the ON mode.
- 3. Check for DTCs with the HDS.
DTC Description DTC Freeze Frame Is DTC U3000-51 indicated?
YES
The failure is duplicated. Check for loose terminals and poor connections in the VSA modulator-control unit 38P connector. If they are OK, replace the VSA modulator-control unit .
NO
Troubleshooting is complete. If any other DTCs are indicated, go to the indicated DTCs troubleshooting.