Hyundai Kona OS EV Recall R/2023/134: Subject Vehicles May Experience A Loss Of Coolant Within The Electronic Power Control Unit, Who Is Affected And What To Do

DVSA reference R/2023/134, campaign code 21D184. Data updated daily from DVSA.

Low
How serious
5 Jun 2023
Launched
1,121
vehicles in the UK
21D184
Manufacturer’s campaign code

Hyundai recalled Kona OS EV vehicles built between 17 June 2020 and 2 September 2020. Subject vehicles may experience a loss of coolant within the electronic power control unit. The dealer will inspect the electronic power control unit and replace the component if required. You won't usually pay for it.1

What’s Wrong

Subject vehicles may experience a loss of coolant within the electronic power control unit.

DVSA's Original Wording

Concern: Subject vehicles may experience a loss of coolant within the electronic power control unit. Defect: Subject vehicles may experience a loss of coolant within the electronic power control unit. Remedy: Inspect the electronic power control unit and replace the component if required.

Contains public sector information licensed under the Open Government Licence v3.0.

The Risk

The recall notice describes the concern as: subject vehicles may experience a loss of coolant within the electronic power control unit.

The Fix

The dealer will inspect the electronic power control unit and replace the component if required.

Are You Affected?

Kona OS EV built between 17 June 2020 and 2 September 2020 may be included. Hyundai estimates 1,121 vehicles in the UK. Enter your registration to check, then confirm by VIN with Hyundai, because not every car in the date range may be included.

What To Do Now

  1. Check your car by registration above, then by VIN with Hyundai.
  2. Book with any franchised Hyundai dealer, quoting the campaign code 21D184 or the DVSA reference R/2023/134. See how to get a Hyundai recall fixed.
  3. Follow the letter's instructions until the repair is done. See can you drive a car with a recall?.
LaunchedVehicle and faultSeverityReference
Kona OS EVSome vehicles fitted with a high voltage battery may have internal cell voltage deviationUrgentR/2026/128

This is one of 102 Hyundai recalls in DVSA’s data. The Hyundai recall launched before it was R/2023/126 on 22 May 2023, for the vehicle fuel tank may be manufactured incorrectly which may result in a fuel leak. The one launched after it was R/2023/157 on 10 Jul 2023, for subject vehicles may experience a loss of brake assistance and brake performance may be…. You can also see every Hyundai recall, the Hyundai Kona recall history and all recalls launched in 2023.


Source: DVSA recall R/2023/134, launched 5 June 2023. Data updated 15 October 2026. How we grade urgency.

Sources

  1. The Code does not itself say repairs are free. GOV.UK guidance says "You will not usually have to pay for any repairs or parts under a safety recall." gov.uk Checked 15 Oct 2026.