Medium DVSA Vehicles
Toyota — Engine control unit reprogramming due to iupr calculation problem on certain toyota proace and proace verso models
Full details on the official government website →
⚠ What You Should Do
Update to the software calibration of the Engine electronic control unit (ECU).
Recall Details
Defect: For certain vehicles there is an error in the specific software calibrations of the Engine Control Unit. In certain cases this condition may result in a delayed activation of the malfunction indicator (MIL) allowing the vehicle to operate with tailpipe emissions exceeding limits before the MIL is triggered
Remedy: Update to the software calibration of the Engine electronic control unit (ECU).
Vehicles affected: 2919
DVSA Recall Reference: R/2025/489
Make: TOYOTA (GB) PLC | Model: PROACE
To check if your specific vehicle is affected, visit the DVSA vehicle recall checker, select your vehicle make and model, and look for recall reference R/2025/489.
Why This Product Is Dangerous
For certain vehicles there is an error in the specific software calibrations of the Engine Control Unit. In certain cases this condition may result in a delayed activation of the malfunction indicator (MIL) allowing the vehicle to operate with tailpipe emissions exceeding limits before the MIL is triggered