History Behind the Issue
Hyundai is confronting increasing reports of Integrated Charging Control Unit (ICCU) failures affecting its electric vehicles built on the E-GMP platform, including the Ioniq 5, Ioniq 6, and several Genesis and Kia models. The ICCU manages charging, powers the 12-volt battery, and enables vehicle-to-load (V2L) functionality. When it fails, drivers see a “Power Limited” warning before the car gradually loses power and becomes immobile.
While Hyundai and Kia have issued multiple repair campaigns, owners have continued reporting breakdowns even after receiving software updates or component replacements, raising concerns over reliability.
Which Vehicles Are Affected
According to filings with the National Highway Traffic Safety Administration (NHTSA), about 145,000 Hyundai and Genesis vehicles and 62,000 Kia EV6s built between 2022 and 2025 are included in the latest campaign.
Affected models include:
- 2022–2024 Hyundai Ioniq 5
- 2023–2025 Hyundai Ioniq 6
- 2023–2025 Genesis GV60, GV70, and G80 Electrified
- 2022–2024 Kia EV6
The ICCU can fail due to overvoltage and thermal stress, damaging an internal transistor and blowing the fuse that powers the 12-volt battery. This results in a sudden loss of motive power, requiring the vehicle to be towed.
What Owners Need to Do Next
Dealers will update the ICCU software and, if diagnostic code P1A9096 is found, replace the ICCU and fuse at no cost. Hyundai says roughly one percent of vehicles may experience failure. Owners are advised to check their VIN at nhtsa.gov/recalls and contact their dealer if a “Power Limited” warning appears or charging performance decreases.
How Hyundai and Kia Owners Can Take Back Control
While Hyundai and Kia have taken steps to address ICCU failures, many owners remain uneasy about long-term reliability and proposed solutions. These problems have the potential to escalate into further action, underlining the importance of protecting consumer rights.
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