NHTSA Complaint #11529073 — 2022 HYUNDAI IONIQ 5

ENGINE issue reported to NHTSA

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Complaint Details

ODI Number	11529073
Vehicle	2022 HYUNDAI IONIQ 5
Component	ENGINE
Date of Incident	June 7, 2023
Date Filed	June 27, 2023
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	MA

Consumer Description

While driving, on a busy street in Holyoke MA, a STOP waning appeared on the drivers display indicating an electrical/power problem. I pulled over to side of road and called a tow truck. Car was taken to dealer where they ran diagnostics on the vehicle. Diagnostics showed failed ICCU and bad cell in 12v battery. Replaced ICCU and high voltage fuse.

Related Complaints for the 2022 HYUNDAI IONIQ 5

Other ENGINE Complaints

#11715398 — February 3, 2026 — The Ioniq 5 has a known issue with a part called the ICCU. When the part fails, which it seems to inevitably do despi...

#11714610 — January 30, 2026 — After pre warming the car in the garage, I left for work. Three minutes into the drive I heard a single popping sound...

#11712032 — January 20, 2026 — This is an EV vehicle. This is a recurrent problem with the Ioniq 5 and is all over the internet. For me this is the ...

#11711561 — January 16, 2026 — To my understand, the ICCU keeps shutting down and is causing issues with my car? This is apparently a huge issue wit...

#11708691 — January 4, 2026 — While charging at a level 2 charger (6 kW) the car stop charging at 61% for no apparent reason. I was unable to resta...

Recent Complaints for the 2022 HYUNDAI IONIQ 5

#11719583 — FUEL/PROPULSION SYSTEM — February 21, 2026 — I was traveling on the freeway when I got a warning saying “check electrical.”i started to pull over on the freeway ...

#11719583 — POWER TRAIN — February 21, 2026 — I was traveling on the freeway when I got a warning saying “check electrical.”i started to pull over on the freeway ...

#11719583 — UNKNOWN OR OTHER — February 21, 2026 — I was traveling on the freeway when I got a warning saying “check electrical.”i started to pull over on the freeway ...

#11719374 — ELECTRICAL SYSTEM — February 20, 2026 — Q: What component or system failed or malfunctioned, and is it available for inspection upon request? A: ICCU failed...

#11719387 — ELECTRICAL SYSTEM — February 20, 2026 — My 2022 Ioniq5 left me stranded late at night in a freezing rainstorm in March of 2024 when I was 75 miles from home ...