Toyota Proace, Proace City Recall R/2023/181: On Affected Vehicles Due To An Error In The Software Calibrations Of The Engine Control…, Who Is Affected And What To Do
- Low
- How serious
- 10 Jul 2023
- Launched
- 3,412
- vehicles in the UK
- YFB23 (CI23-019)
- Manufacturer’s campaign code
Toyota recalled Proace, Proace City vehicles built between 28 November 2020 and 16 July 2022. Due to an error in the software calibrations of the Engine Control Unit the Malfunction Indicator Light (MIL) will not illuminate when the urea injection system (which is part of the exhaust after treatment system) shuts down due to a fault resulting in non-compliance with regulations. The dealer will reprogram the Engine Control Unit (ECU) with updated software and calibration. You won't usually pay for it.1
What’s Wrong
Due to an error in the software calibrations of the Engine Control Unit the Malfunction Indicator Light (MIL) will not illuminate when the urea injection system (which is part of the exhaust after treatment system) shuts down due to a fault resulting in non-compliance with regulations.
DVSA's Original Wording
Concern: On affected vehicles due to an error in the software calibrations of the Engine Control Unit the Malfunction Indicator Light (MIL) will not illuminate when the urea injection system (which is part of the exhaust after treatment system) shuts down due to a fault resulting in non-compliance with regulations. Defect: On affected vehicles due to an error in the software calibrations of the Engine Control Unit the Malfunction Indicator Light (MIL) will not illuminate when the urea injection system (which is part of the exhaust after treatment system) shuts down due to a fault resulting in non-compliance with regulations. Remedy: Reprogram the Engine Control Unit (ECU) with updated software and calibration.
Contains public sector information licensed under the Open Government Licence v3.0.
The Risk
If the fault occurs, the recall notice says it could result in non-compliance with regulations.
The Fix
The dealer will reprogram the Engine Control Unit (ECU) with updated software and calibration. The fix is a software update, which usually takes under an hour at the dealer.
Are You Affected?
Proace, Proace City built between 28 November 2020 and 16 July 2022 may be included. Toyota estimates 3,412 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 YFB23 (CI23-019) or the DVSA reference R/2023/181. 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 |
|---|---|---|---|
| Proace, Proace CityWater pump replacement on certain Toyota Proace and Proace City | Urgent | R/2026/200 | |
| Proace, Proace CityPotential defect of fuel supply rail on certain Toyota Proace and Proace City | Urgent | R/2026/017 | |
| 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 | |
| Proace, Proace VersoEngine control unit reprogramming due to IUPR calculation problem on certain Toyota Proace and Proace Verso models | Low | R/2025/489 | |
| Proace CityInconsistent Tyre pressure monitoring system alert on certain Toyota Proace City | Urgent | R/2025/447 |
This is one of 250 Toyota recalls in DVSA’s data. The Toyota recall launched before it was R/2023/179 on 10 Jul 2023, for affected vehicles may have been supplied with a charging cable that was not according to…. The one launched after it was R/2023/182 on 10 Jul 2023, for when the data is read out from the vehicle ECU an incorrect IUPR (In-Use Performance…. You can also see every Toyota recall, all recalls launched in 2023 and software recalls across every make.
Source: DVSA recall R/2023/181, launched 10 July 2023. 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.