2025 Hyundai Ioniq 5 Fuel/propulsion System Problems

NHTSA component category: FUEL/PROPULSION SYSTEM · data through 07/14/2026

59Fuel/propulsion System complaints

21.6%Of all 273 complaints

#2Most-reported category

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

How fuel/propulsion system ranks on this vehicle

ELECTRICAL SYSTEM210 · 76.9%

FUEL/PROPULSION SYSTEM59 · 21.6%

POWER TRAIN55 · 20.1%

Unspecified / other20 · 7.3%

FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL18 · 6.6%

Share of the 273 complaints citing each category; one complaint can cite several. Full breakdown on the 2025 Hyundai Ioniq 5 overview page.

What owners report

“At power-on, the car's diagnostics alerted with DTC code P1A9096, indicating a failure of the Low voltage DC-DC converter / ICCU. Vehicle was parked at…”NHTSA complaint 11710425 — filed 01/12/2026

“With 3100 mileage, the car experienced an electric systems failure which resulted in the car no longer being functional. Towed to dealership where they officially…”NHTSA complaint 11710158 — filed 01/10/2026

“I had driven a few miles to a store and was inside for about 10 minutes. I went out to the parking lot and started…”NHTSA complaint 11708594 — filed 01/03/2026

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

Fuel/propulsion System complaints by year filed

Frequently asked questions

Does the 2025 Hyundai Ioniq 5 have fuel/propulsion system problems?

Fuel/propulsion System is the #2 most-reported problem area on the 2025 Hyundai Ioniq 5: 59 of 273 complaints on file (21.6%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 2025 Hyundai Ioniq 5 have in total?

273 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 3 involved a crash, 0 involved a fire, 2 reported injuries, and none reported deaths.

What does NHTSA's fuel/propulsion system category include?

NHTSA assigns each complaint to standard component categories; this page reports the FUEL/PROPULSION SYSTEM 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 07/14/2026.