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2023 Hyundai Ioniq 5 Fuel/propulsion System Problems

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

66Fuel/propulsion System complaints
17.4%Of all 380 complaints
#3Most-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 SYSTEM268 · 70.5%
POWER TRAIN72 · 18.9%
FUEL/PROPULSION SYSTEM66 · 17.4%
Unspecified / other44 · 11.6%
ENGINE37 · 9.7%

Share of the 380 complaints citing each category; one complaint can cite several. Full breakdown on the 2023 Hyundai Ioniq 5 overview page.

What owners report

“The car loses power, slows down dramatically, and will not respond to the accelerator pedal. This failure has happened twice. The first time I was…”NHTSA complaint 11575620 — filed 03/05/2024
“The ICCU has failed after the recall repair was completed in September 2023. When the fuse pops the car indicates a check electric vehicle system…”NHTSA complaint 11570224 — filed 02/06/2024
“This model has known issue. As I found after it occurred to my brand new IONIQ 5 . It has only 320mi. It had 87%…”NHTSA complaint 11561016 — filed 12/19/2023

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

Fuel/propulsion System complaints by year filed

12202382024242025222026

Frequently asked questions

Does the 2023 Hyundai Ioniq 5 have fuel/propulsion system problems?

Fuel/propulsion System is the #3 most-reported problem area on the 2023 Hyundai Ioniq 5: 66 of 380 complaints on file (17.4%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 2023 Hyundai Ioniq 5 have in total?

380 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 11 involved a crash, 1 involved a fire, 4 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.