Toyota Yaris HV Recall R/2021/181: Due To An Inappropriate Software The Skid Control ECU May Not Complete All Its Processing…, Who Is Affected And What To Do
- Low
- How serious
- 14 Jun 2021
- Launched
- 19,992
- vehicles in the UK
- WGG20
- Manufacturer’s campaign code
Toyota recalled Yaris HV vehicles built between 8 July 2020 and 27 April 2021. Due to an inappropriate software the Skid Control ECU may not complete all its processing tasks. The dealer will reprogram the skid control ECU. You won't usually pay for it.1
What’s Wrong
Due to an inappropriate software the Skid Control ECU may not complete all its processing tasks.
DVSA's Original Wording
Concern: DUE TO AN INAPPROPRIATE SOFTWARE THE SKID CONTROL ECU MAY NOT COMPLETE ALL ITS PROCESSING TASKS Defect: Due to an inappropriate software the Skid Control ECU may not complete all its processing tasks. Remedy: Reprogram the Skid control ECU.
Contains public sector information licensed under the Open Government Licence v3.0.
The Risk
The recall notice describes the concern as: due to an inappropriate software the skid control ECU may not complete all its processing tasks.
The Fix
The dealer will reprogram the skid control ECU. The fix is a software update, which usually takes under an hour at the dealer.
Are You Affected?
Yaris HV built between 8 July 2020 and 27 April 2021 may be included. Toyota estimates 19,992 vehicles in the UK. Enter your registration to check, then confirm by VIN with Toyota, because not every car in the date range may be included.
Which Car Is It?
Choose the make and model so we can match recalls to your car.
What To Do Now
- Check your car by registration above, then by VIN with Toyota.
- Book with any franchised Toyota dealer, quoting the campaign code WGG20 or the DVSA reference R/2021/181. See how to get a Toyota recall fixed.
- Follow the letter's instructions until the repair is done. See can you drive a car with a recall?.
Related Recalls
| Launched | Vehicle and fault | Severity | Reference |
|---|---|---|---|
| Yaris, Yaris HVRear seat belt may fail | Urgent | R/2016/083 | |
| Proace, Proace City, Proace City EV, Proace City Verso EV and 2 moreIn-Vehicle Infotainment ECU software update via OTA on certain Toyota Proace and Proace City | Low | R/2025/552 | |
| BZ4X, C-HR, Highlander, Landcruiser and 3 moreParking Assist ECU reprogram on multiple models | Low | R/2025/466 | |
| Proace, Proace VersoEngine control unit reprogramming due to IUPR calculation problem on certain Toyota Proace and Proace Verso models | Low | R/2025/489 | |
| C-HR, C-HR Plug IN, Corolla, Corolla Cross and 6 moreCombination meter reprogramming on multiple models | Low | R/2025/270 |
This is one of 250 Toyota recalls in DVSA’s data. The Toyota recall launched before it was R/2021/104 on 31 May 2021, for there is a possibility that the exhaust gas recirculation cooler could develop an internal…. The one launched after it was R/2021/185 on 28 Jun 2021, for the inside of the high pressure fuel pump may be worn or damaged over time during…. You can also see every Toyota recall, all recalls launched in 2021 and software recalls across every make.
Source: DVSA recall R/2021/181, launched 14 June 2021. Data updated 15 October 2026. How we grade urgency.
Sources
- 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.