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NHTSA recall 24V204000

A recall listed here may apply to a vehicle of this year, make and model. Only the manufacturer can say whether it applies to one vehicle: check the VIN with the official lookups.

Campaign
Published byNHTSA (United States)
Campaign number24V204000
Manufacturer's number257/021G
ManufacturerHyundai Motor America
Reported2024-03-15
Owners notified2024-04-22
ComponentELECTRICAL SYSTEM:PROPULSION SYSTEM:CHARGING:MODULE:SOFTWARE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY
Units potentially affected99055
Part numbers36400-1XCA0, 36400-1XBA0, 36400-1XEA0, 36400-1XAA0, 36400-1XDA0
Remedy progress the manufacturer reported
ReportQuarterly report 4, for 2025 quarter 1
Filed with NHTSA2025-04-28
Vehicles in the campaign99055
Reported remedied82929 (83%)
Reported unreachable259
Reported removed1227

These are the manufacturer's totals for the whole campaign at the end of 2025 quarter 1, as filed with NHTSA. They do not say whether one vehicle has been remedied: check the VIN with the official lookups. The reports are from data as of 2026-10-19.

What is wrong

Hyundai Motor America (Hyundai) is recalling certain 2022-2024 IONIQ 5, 2023-2024 IONIQ 6, Genesis GV60, Genesis GV70 "Electrified," and Genesis G80 "Electrified" vehicles. The Integrated Charging Control Unit (ICCU) may become damaged and stop charging the 12-Volt battery, which can result in a loss of drive power.

What can happen

A loss of drive power increases the risk of a crash.

The remedy

This recall is replaced by NHTSA recall number 24V-868. Vehicles already repaired under this recall will need to have the new remedy completed. Dealers will inspect and replace the ICCU and its fuse, as necessary. In addition, dealers will update the ICCU software. All repairs will be performed free of charge. Owner notification letters were mailed April 22, 2024. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 257/021G.

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Vehicles this campaign lists
2023 GENESIS GV60
2024 GENESIS GV60
2023 GENESIS GV70 ELECTRIFIEDListed as a series or trim of this model.
2024 GENESIS GV70 ELECTRIFIEDListed as a series or trim of this model.
2022 HYUNDAI IONIQ 5
2023 HYUNDAI IONIQ 5
2024 HYUNDAI IONIQ 5
2023 HYUNDAI IONIQ 6
2024 HYUNDAI IONIQ 6

A vehicle with no link is not in this site's catalog, which covers cars, multipurpose vehicles and trucks by model year. The campaign is from data as of 2026-10-19.

Investigated as PE23011

This recall followed 1 NHTSA investigation. An investigation is NHTSA looking into a possible defect. It is not a finding that a defect exists, and it does not say that any one vehicle is affected.

NHTSA investigations that led to this recall
PE23011Preliminary evaluation, opened 2023-06-08, closed 2024-04-17. Loss of Motive Power. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM:PROPULSION SYSTEM:DC/DC CONVERTER.

From NHTSA's investigation file, as of 2026-10-19. The JSON has NHTSA's summary of each.

Bulletins for the same vehicles and component

Bulletins for the same vehicles and component
23-01-069G-12023-10-02. Service bulletin. Certain 2023MY G80 Electrified (RG3 EV), 2023-24MY GV60 (JW1 EV), and 2023-24MY GV70 Electrified (JK1a EV) vehicles may have a condition where low 12V auxiliary battery charging occurs due to an ICCU (Integrated Charge Control Unit) fault and may set the following DTC P1A9096 – “DC/DC Converter Input Voltage Sensor Fault”. When a fault occurs, the vehicle may enter a reduced power mode while various warning lights, an audible chime will sound, and large messaging in the vehicle’s instrument cluster will appear, instructing the driver to stop the vehicle. The vehicle will be inspected for a DTC P1A9096 and may require either an ICCU software update or ICCU replacement and fuse replacement.
23-01-069G2023-09-05. Service bulletin. Certain 2023MY G80 Electrified (RG3 EV) and 2023-24MY GV60 (JW1 EV), vehicles may have a condition where low 12V auxiliary battery charging occurs due to an ICCU (Integrated Charge Control Unit) fault and may set the following DTC P1A9096 – “DC/DC Converter Input Voltage Sensor Fault”. When a fault occurs, the vehicle may enter a reduced power mode while various warning lights, an audible chime will sound, and large messaging in the vehicle’s instrument cluster will appear and instruct the driver to stop the vehicle. The Service Procedure flow to be followed is outlined by the flowchart on Page-3. The ICCU system is to be checked by GDS for DTC P1A9096 and depending on the result, will involve either an ICCU software update, or ICCU and fuse replacement.
23-01-069G2023-09-05. Service bulletin. Certain 2023MY G80 Electrified (RG3 EV) and 2023-24MY GV60 (JW1 EV), vehicles may have a condition where low 12V auxiliary battery charging occurs due to an ICCU (Integrated Charge Control Unit) fault and may set the following DTC P1A9096 – “DC/DC Converter Input Voltage Sensor Fault”. When a fault occurs, the vehicle may enter a reduced power mode while various warning lights, an audible chime will sound, and large messaging in the vehicle’s instrument cluster will appear, instructing the driver to stop the vehicle. The vehicle will be inspected for a DTC P1A9096 and may require either an ICCU software update or ICCU replacement and fuse replacement.

A bulletin is the manufacturer's note to its dealers. It is not part of this recall.

Check one vehicle officially