2022 Hyundai Ioniq 5 Engine Problems

NHTSA component category: ENGINE · data through 07/12/2026

35Engine complaints

8.8%Of all 399 complaints

#4Most-reported category

Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.

How engine ranks on this vehicle

ELECTRICAL SYSTEM293 · 73.4%

FUEL/PROPULSION SYSTEM89 · 22.3%

POWER TRAIN83 · 20.8%

ENGINE35 · 8.8%

Unspecified / other30 · 7.5%

Share of the 399 complaints citing each category; one complaint can cite several. Full breakdown on the 2022 Hyundai Ioniq 5 overview page.

What owners report

“Called an ICCU failure. It's the control unit that charges the 12V battery from the high voltage battery. The unit fails blowing the high voltage…”NHTSA complaint 11527547 — filed 06/17/2023

“Started vehicle and heard a loud pop with immediate amber warning to check electrical system with 12 volt battery and EV electrical system warning lights…”NHTSA complaint 11524961 — filed 06/02/2023

“Electrical system not working. The vehicle does not charge. The 12Volt battery is completely dead and vehicle does not start. Before the vehicle gone offline…”NHTSA complaint 11523775 — filed 05/25/2023

Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.

Engine complaints by year filed

Frequently asked questions

Does the 2022 Hyundai Ioniq 5 have engine problems?

Engine is the #4 most-reported problem area on the 2022 Hyundai Ioniq 5: 35 of 399 complaints on file (8.8%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 2022 Hyundai Ioniq 5 have in total?

399 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 7 involved a crash, 1 involved a fire, 1 reported injuries, and none reported deaths.

What does NHTSA's engine category include?

NHTSA assigns each complaint to standard component categories; this page reports the ENGINE category exactly as NHTSA defines and records it.

About this data — Complaint figures on this page are consumer reports submitted to the National Highway Traffic Safety Administration (NHTSA), a U.S. government agency. NHTSA does not verify individual complaints; a complaint is not proof that a defect exists, and counts reflect what owners chose to report, not confirmed failure rates. Recall information comes from official NHTSA safety recall campaigns; recall repairs are free at authorized dealers. Always check your specific vehicle by VIN at nhtsa.gov/recalls. CarModelProblems.com is an independent site and is not affiliated with NHTSA or any vehicle manufacturer. Data through 07/12/2026.