Toyota Proace City Recall R/2023/344: On Certain Vehicles There Is An Error In The Specific Software Calibration Of The Engine…, Who Is Affected And What To Do

DVSA reference R/2023/344, campaign code YFB51 (Ci23-041). Data updated daily from DVSA.

Low
How serious
15 Jan 2024
Launched
1,734
vehicles in the UK
YFB51 (Ci23-041)
Manufacturer’s campaign code

Toyota recalled Proace City vehicles built between 3 March 2023 and 26 July 2023. There is an error in the specific software calibration of the Engine Electronic Control Unit. The dealer will update the software of the Engine Electronic Control Unit. You won't usually pay for it.1

What’s Wrong

There is an error in the specific software calibration of the Engine Electronic Control Unit. As a consequence the Malfunction Indicator Light (MIL) will not turn ON when the urea consumption (which is part of the exhaust after treatment system) is lower than target threshold.

DVSA's Original Wording

Concern: On certain vehicles there is an error in the specific software calibration of the Engine Electronic Control Unit. As a consequence the Malfunction Indicator Light (MIL) will not turn ON when the urea consumption (which is part of the exhaust after treatment system) is lower than target threshold. Defect: On certain vehicles there is an error in the specific software calibration of the Engine Electronic Control Unit. As a consequence the Malfunction Indicator Light (MIL) will not turn ON when the urea consumption (which is part of the exhaust after treatment system) is lower than target threshold. Remedy: Update the software of the Engine Electronic Control Unit

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

The Risk

The recall notice describes the concern as: on certain vehicles there is an error in the specific software calibration of the Engine Electronic Control Unit. As a consequence the Malfunction Indicator Light (MIL) will not turn ON when the urea consumption (which is part of the exhaust after treatment system) is lower than target threshold.

The Fix

The dealer will update the software of the Engine Electronic Control Unit. The fix is a software update, which usually takes under an hour at the dealer.

Are You Affected?

Proace City built between 3 March 2023 and 26 July 2023 may be included. Toyota estimates 1,734 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.

What To Do Now

  1. Check your car by registration above, then by VIN with Toyota.
  2. Book with any franchised Toyota dealer, quoting the campaign code YFB51 (Ci23-041) or the DVSA reference R/2023/344. See how to get a Toyota 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
Proace, Proace CityWater pump replacement on certain Toyota Proace and Proace CityUrgentR/2026/200
Proace, Proace CityPotential defect of fuel supply rail on certain Toyota Proace and Proace CityUrgentR/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 CityLowR/2025/552
Proace CityInconsistent Tyre pressure monitoring system alert on certain Toyota Proace CityUrgentR/2025/447
Proace, Proace City, Proace VersoEngine ECU software update due to insufficient on-board diagnosticsLowR/2025/315

This is one of 250 Toyota recalls in DVSA’s data. The Toyota recall launched before it was R/2023/343 on 15 Jan 2024, for affected vehicles are equipped with a transmission control computer where there is a…. The one launched after it was R/2023/349 on 19 Feb 2024, for remote parking via mobile app on certain toyota C-HR. You can also see every Toyota recall, all recalls launched in 2024 and software recalls across every make.


Source: DVSA recall R/2023/344, launched 15 January 2024. 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.