HYUNDAI
24-EV-001H
Manufacturer communications
- Publication date
- 2024-03-12
- Received by NHTSA
- 2024-04-02
- NHTSA record numbers
- 10252364
Manufacturer summary
Original wording in English
This bulletin provides the procedure to update the ECU software on certain 2021-2022MY IONIQ Plug-in Hybrid (AE PHEV) vehicles that may exhibit a warning light with DTC U1341 due to communication issues with the Integrated Electronic Brake (IEB) during charging in IG3 mode. Follow the procedure in this TSB to update the ECU software logic.
• DTC Info: U1341 - ECU-IEB Communication Delay
• DTC Info: U1341 - ECU-IEB Communication Delay
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Hyundai
U1341ECU-IEB Communication DelayCheck vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Hyundai | IONIQ HYBRID | 2022 |
| Hyundai | IONIQ HYBRID | 2021 |
| Hyundai | IONIQ PLUG-IN HYBRID | 2022 |
| Hyundai | IONIQ PLUG-IN HYBRID | 2021 |