Toyota () Proace: Engine Control Unit Reprogramming Due To Iupr Calculation Problem On Certain Toyota Proace And Proace Verso Models

Toyota Proace Recall Summary Toyota is recalling 3,326 Proace and Proace Verso vehicles due to an error in the engine control unit's software that can delay the warning light from turning on when emissions exceed legal limits. This means a vehicle could operate with excessive tailpipe emissions without alerting the driver. The fix involves reprogramming the engine control unit software.

Recalling firm

TOYOTA (GB) PLC

Product

Vehicles: TOYOTA () PROACE, TOYOTA () PROACE VERSO. Units affected: 3,326

Reason

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).

Classification

Class II

Category

vehicle recall

Country

United Kingdom

Agency

UK Driver and Vehicle Standards Agency

Recall date

2025-11-24

Status

Ongoing

Distribution

United Kingdom

Official recall notice from UK Driver and Vehicle Standards Agency

Recall details on Nibble Recalls: https://trynibble.app/recalls/c629ea8f-3a80-4d2c-a0e6-e3c2b6877ae4