DTC U0302 (A/T)
WARNING: This page is about a different car, the 2022 Honda Accord, 2021 Honda Accord, 2020 Honda Accord, 2019 Honda Accord, and 2018 Honda Accord. However, it is still accessible from the selected car via links, so may be relevant.
DTC U0302 : Software Incompatibility With Transmission Control Module
NOTE:
- Before you troubleshoot, review the General Troubleshooting Information .
- This DTC is indicated when the TCM update procedure is not completed.
- Do not turn the vehicle to the OFF (LOCK) mode while updating the TCM. If you do, the TCM can be damaged.
| DTC Description | Confirmed DTC | Pending DTC | Freeze Frame |
|---|---|---|---|
| U0302 Software Incompatibility With Transmission Control Module |
DTC (A/T)
- Problem verification (update)
-1. Turn the vehicle to the ON mode.
-2. Clear the DTC with the HDS.
-3. Update the TCM .
-4. Turn the vehicle to the OFF (LOCK) mode.
-5. Turn the vehicle to the ON mode, and wait for several seconds.
-6. Check for Pending or Confirmed DTCs with the HDS.
DTC Description Confirmed DTC Pending DTC Freeze Frame U0302 Software Incompatibility With Transmission Control Module Is DTC U0302 indicated?
YES
The failure is duplicated. Replace the TCM .
NO
Update is complete.