2025 Hyundai Ioniq 5 Transmission & Powertrain Problems
NHTSA lists 57 Transmission & Powertrain complaints for the 2025 Hyundai Ioniq 5, 19% of its 297 total complaints for the year. No related recall is listed for this component. Reports cluster around highway shudder and ICCU (charge control unit) failures that cut power or shut the car down.
- Transmission & Powertrain complaints
- 57
- 19% of 297
- Crashes reported
- 1
- Fires reported
- 0
- Injuries reported
- 0
- Median mileage
- —
- Related recalls
- 0
Typical transmission symptoms owners report
- Owners describe a hesitation, shudder, or pulsating sensation at highway speeds, most noticeable between 57 and 78 mph, occurring in all drive modes regardless of brake regeneration setting.
- Multiple owners report the ICCU (Integrated Charge Control Unit) failing, preceded by a loud pop, followed by warning lights, reduced power, and the vehicle limiting top speed to around 25 mph or 12 mph before becoming inoperable.
- Some drivers report a 'check electric vehicle system' warning that puts the car into limp mode, restricting speed while driving, sometimes on a highway or hill.
- Several complaints describe a sudden loss of power or complete shutdown accompanied by a 'Stop and Check Power Supply' or battery overheat warning, in one case while driving in snowy conditions.
- One owner reports the car unexpectedly shifting itself into neutral on the freeway with multiple dashboard error lights, requiring the vehicle to be restarted.
- Owners note these failures can happen with low mileage, in one case around 8,000 miles, and often require the vehicle to be towed to a dealership.
When 2025 Hyundai Ioniq 5 transmission complaints were filed
First complaint Aug 19, 2025, latest Sep 19, 2026.
Transmission & Powertrain recalls for the 2025 Hyundai Ioniq 5
No safety recalls on record for this model year.
Transmission & Powertrain complaints by Ioniq 5 model year
Raw complaint counts per model year; newer years have had less time to accumulate complaints.
Frequently asked questions
- How many Transmission & Powertrain complaints does the 2025 Hyundai Ioniq 5 have?
- NHTSA lists 57 complaints in this category for the 2025 Ioniq 5, which is 19% of the 297 total complaints filed for the model year.
- Is there a recall for the 2025 Ioniq 5 transmission or powertrain?
- No related recall is listed in the data for this component on the 2025 Ioniq 5.
- What is the ICCU issue owners report on the 2025 Ioniq 5?
- Owners describe the Integrated Charge Control Unit failing with a loud pop, warning lights, reduced top speed, and eventual loss of power or complete shutdown.
- Does the 2025 Ioniq 5 have more powertrain complaints than other model years?
- The 2025 model has 57 complaints (19% share), close to 2023's 72 (19%) and higher in share than 2024's 37 (17%), but below 2022's 84 complaints (21% share).
- Have these powertrain issues caused crashes?
- NHTSA data shows 1 crash and 0 fires or injuries linked to Transmission & Powertrain complaints on the 2025 Ioniq 5.