24-EV-001H
Service Bulletin Details
Public Details for: 24-EV-001H
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
Models from 2022
2022 HYUNDAI IONIQ |
2022 HYUNDAI IONIQ PLUG-IN HYBRID |
GROUP NUMBER EV Systems DATE Technical Service Bulletin 24-EV-001H MODEL(S) MARCH 2024 IONIQ PLUG-IN HYBRID (AE PHEV) ECU SOFTWARE UPDATE FOR DTC U1341 SUBJECT: Description: 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 Applicable Vehicles: • 2021–2022MY IONIQ Plug-in Hybrid (AE PHEV) GDS Information: System Event # Description Engine 1039 AE PHEV ECU S/W TO IMPROVE FOR DTC U1341 (*or use a later available event as listed in the GDS ECU Update screen if one is available.) Warranty Information: Model Ioniq Plug-in Hybrid (AE PHEV) Op. Code 39110FH1 Operation ECU Update Op. Time Casual Part Nature Code Cause Code 0.3 M/H Refer to WebDCS for applicable part to labor op code combination I14 ZZ3 NOTE 1: Normal warranty applies. NOTE 2: Submit claim on Claim Entry Screen as “Warranty” type. NOTE 3: This TSB includes Repair validation photos. Op times include VIN, Mileage, and photo capture of the “ECU update complete” screen as outlined in the Digital Documentation Policy. NOTE 4: If a part is found in need of replacement while performing this TSB and the affected part is still under warranty, submit a separate claim using the same repair order. If the affected part is out of warranty, submit a Prior Approval request for goodwill consideration prior to performing the work. Circulate To: General Manager, Service Manager, Parts Manager, Warranty Manager, Service Advisors, Technicians, Body Shop Manager, Fleet Repair ECU SOFTWARE UPDATE FOR DTC U1341 SUBJECT: Service Procedure: STUI This TSB includes Repair validation photos. Refer to the latest Warranty Digital Documentation Policy for requirements. NOTICE You must initially perform the GDS ECU update in Auto Mode. • If the ECU update starts but then fails in Auto Mode, perform the update in Manual Mode to recover. NOTICE GDS Vehicle Battery Low Voltage Warning: If voltage is below 12 volts per the GDS warning, then select Back and attach a battery maintainer or run the vehicle for at least 20 minutes to ensure an adequate battery charge for reliable update results. Turn ignition back ON, and then retry the ECU update again. 1. Perform the ECU update in Auto Mode. Use the ID Check to verify the ROM ID before updating the software. i Information Refer to TSB 15-GI-001 for additional information for the ECU update Procedure For Tablet-Based GDS Mobile. TSB #: 24-EV-001H Page 2 of 3 SUBJECT: ECU SOFTWARE UPDATE FOR DTC U1341 SUBJECT: 2. STUI Take a screenshot of the “ECU update complete” screen using your tablet and upload to STUI. 3. After the ECU update process shows 100% complete, cycle the ignition key to OFF for at least 10 seconds to reset the control unit. 4. Perform an All Systems Fault Code search and erase DTC history that had incidentally occurred from the ECU update. 5. Start the vehicle in Ready mode to confirm proper operation of the vehicle. ROM ID Information Table: Model MY System ECU Part Number AE PHEV 2021 2022 Engine 39110-03918 39110-03932 ROM ID Old AEDBS6PGXG50 AEDCS6PGXG61 New AEDFS6PGXG9F AEDCS6PGXG9F Manual Mode Password: ECM Menu Password AE PHEV ECU 39110-03918 9639 AE PHEV ECU 39110-03932 9640 TSB #: 24-EV-001H Page 3 of 3 SUBJECT: