SweepCHECK
Chrome extension: soon
← All Hyundai models
Model reliability

Hyundai Ioniq reliability

The Hyundai Ioniq fails its MOT about as often as most cars up to 5 years old: 13.1% of 27,712 tests failed in 2023, against 14% on average.

Up to 5 years old
13.1% failed their MOT
About average
From 27,712 MOT tests of Hyundai Ioniqs this age.
Where it does worse than other cars this age
Fails 71% more oftenWipers3.6% vs 2.1%
Fails 3× as oftenBrake performance1.4% vs 0.5%
Fails 57% more oftenHeadlamps1.1% vs 0.7%Fix about £30
6 to 10 years old
13.9% failed their MOT
Better than most
From 6,312 MOT tests of Hyundai Ioniqs this age.
Where it does worse than other cars this age
Fails 42% more oftenBrake performance2.7% vs 1.9%
Safety recalls

14 DVSA recalls for the Hyundai Ioniq

Most cover a batch of cars built in a set period, and dealers fix them free. Sweep’s check shows the recalls for a car’s age and whether the DVSA has one outstanding.

R/2026/32214 Sept 2026Built 2022–2025The vehicle may have incorrectly secured front seat belt anchor points

Affected vehicles may have incorrectly secured front seat belt anchor points. This may result in a lack of protection in the event of a vehicle collision.

Fix: A modification will be applied to the seat belt anchor area to rectify the concern

Recalled models: IONIQ 6 CE EV · 5,932 vehicles

R/2026/3197 Sept 2026Built 2021–2023Some vehicles may have a potential issue with one module within the high voltage battery which may have been manufactured with misaligned electrodes.

Affected vehicles may contain a suspect HV (high voltage) battery module manufactured by the supplier during a specific production period. It is recommended that the vehicle is to be parked in a well ventilated area. The vehicle can be used as normal.

Fix: Replacement of the high voltage battery module will be carried out.

Recalled models: IONIQ 5 · 3 vehicles

R/2026/15915 Jun 2026Built 2018–2022Some vehicles fitted with a high voltage battery may have internal cell voltage deviation

Some vehicles fitted with a high voltage battery may have internal cell voltage deviation. If this occurs it may result in the risk of an electrical short circuit inside the battery. Until the high voltage battery software has been updated we recommend the vehicle to be parked in a well ventilated area. The vehicle can be used as normal.

Fix: High Voltage Battery Software Update or replacement if required.

Recalled models: IONIQ AE EV · 8,299 vehicles

R/2026/1462 Apr 2026Built 2025Some vehicles may have an instrument cluster operational concern whilst driving the vehicle

Some vehicles may face a concern where the instrument cluster panel may reboot during vehicle operation potentially resulting in a blank instrument cluster display screen.

Fix: To correct this an ‘Over the Air ‘ software update to the vehicles will be deployed remotely.

Recalled models: IONIQ 5 · 614 vehicles

R/2025/45717 Nov 2025Built 2022–2025The vehicle charge port door outer panel may detach

The vehicle charge port door outer panel may have insufficient engagement between the outer panel retaining hooks and the charging port door increasing the risk of detachment during operation.

Fix: To rectify this issue the charge port door outer panel assembly will be adhered as a permanent solution.

Recalled models: Ioniq 6 · 4,245 vehicles

R/2024/16913 May 2024Built 2023The rear inner driveshaft may develop noise resulting in a loss of drive

On affected vehicles the rear inner driveshaft may develop noise resulting in a loss of drive.

Fix: On all affected vehicles replace the affected driveshaft and check properly fastened

Recalled models: IONIQ 5 · 134 vehicles

R/2024/1646 May 2024Built 2021–2024The Integrated Charging Control Unit (ICCU) may become defective and stop charging the 12-volt battery which can result in the vehicle entering into a ‘failsafe’ driving mode.

On affected vehicles the Integrated Charging Control Unit (ICCU) may be come defective and stop charging the 12volt battery this can result in the vehicle entering a failsafe driving mode

Fix: On all affected vehicles update the ICCU software and check and replace if necessary the ICCU and fuse.

Recalled models: IONIQ 5 · 16,297 vehicles

R/2023/04113 Mar 2023Built 2022The vehicle identification number label may not have the correct maximum permissible laden mass printed on the VIN label.

The vehicle identification number label may not have the correct maximum permissible laden mass printed on the VIN label.

Fix: Replace the vehicle identification number label with an amended VIN label.

Recalled models: IONIQ 5 · 1,078 vehicles

R/2022/16020 Jun 2022Built 2020–2022The electronic parking pawl actuator system may disengage the park (p) position

The electronic parking pawl actuator system may disengage the Park (�P�) position.

Fix: A software update will be applied to the SCU (Shift By Wire Control Unit) to prevent the issue from occurring.

Recalled models: IONIQ 5 · 6,061 vehicles

R/2022/0041 Feb 2022Built 2016–2019The accelerator function may not operate as intended when fully released

The accelerator function may not operate as intended when fully released.

Fix: The software will be updated within the Electric Power Control Unit and an additional ground cable will be installed to the 3-phase motor.

Recalled models: IONIQ AE EV · 1,139 vehicles

R/2021/08723 Apr 2021Built 2019–2020Potential electrical short in the lithium-ion battery

Potential electrical short in the lithium-ion battery.

Fix: Initial step to limit the charge state followed by eventual complete replacement of the battery assembly.

Recalled models: IONIQ EV PE · 1,214 vehicles

R/2019/3598 Dec 2019Built 2019Wheel nuts not tightened to correct specification

Wheel nuts not tightened to the correct specification

Fix: Tighten wheel nuts to correct specification

Recalled models: IONIQ · 46 vehicles

R/2018/29710 Dec 2018Built 2016–2017Hybrid warning lamp eliminated on instrument cluster may indicate thermal damage to power relay assembly and power cable

Power relay connections with increased risk of a thermal incident.

Fix: Replace power relays. Inspect relay holders and replace if required.

Recalled models: IONIQ · 5,151 vehicles

R/2018/1031 May 2018Built 2016–2017Coolant may leak into electric power control unit

The Electric Power Control Unit (EPCU) to have some cracks in the aluminium casting which may cause the casting to become porous. The EPCU is cooled by a coolant channel and due to the porous cracks it is possible for the coolant to leak inside the EPCU unit causing the high voltage system to immediately shut down.

Fix: To inspect the units with UV lamp. If found to be porous the unit will be replaced.

Recalled models: IONIQ · 148 vehicles

DVSA vehicle safety recalls (Crown copyright, Open Government Licence).

Checking a Hyundai Ioniq before you buy

Look at the parts above at the viewing, and read the car’s own MOT history: advisories for the same parts suggest the problem is already starting. Sweep’s free check shows every MOT, advisory and mileage reading for a registration.

Source: DVSA anonymised MOT tests 2023 (Open Government Licence v3.0). Failure rates compare this model with all cars in the same age band. Fix prices are typical independent-garage estimates.
Sweep for ChromeComing soon

Run this check on every listing, automatically.

The Sweep extension finds the reg on AutoTrader, eBay, Gumtree and Facebook Marketplace adverts, then shows the MOT history and any red flags beside the advert.

Coming soon to the Chrome Web Store. Free, like the check.