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How to reset the AdBlue warning light on the 2018 Fiat Ducato.

Model: Fiat Ducato X290 - Years: 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
Part: AdBlue warning light

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Video tutorial

Today we will see how to independently reset the AdBlue warning light on the 2018 Fiat Ducato. The AdBlue warning light activates on the dashboard when it is necessary to refill the liquid inside the tank on diesel vehicles.

If the warning light activates along with the warning indicator, it means that we have driven the vehicle beyond the threshold allowed by the manufacturer, resulting in an engine lock. In these cases, after refilling the liquid in the tank, it is necessary to reset the warning light via the OBD port and a computer in the workshop or independently if we have the necessary equipment.

We will remove the cover on the lower dashboard to access the OBD port. After connecting the port to the computer, we will access the system by selecting the vehicle and the production year.

We will select the option to scan the vehicle; once the error code is found, we will select reset AdBlue and follow the steps to complete the procedure.


Posted on 7 January 2026 by ScegliAuto


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by ScegliAuto

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