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How to reset the AdBlue warning on Citroen or Peugeot using a scanner tool
Model: Citroen Cactus
MK 1
- Years 2014-2020
Let's see how to reset the AdBlue light on a Citroen or Peugeot vehicle using a scanner tool: the YouTuber suggests Autel MK808, which is a professional tool, and costs 339.00 euros on it. Obdprice. Eu, with free delivery. We connect it to the EOBD socket and see that it indicates the classic AdBlue error, namely P20E8. We go to "special functions", from there to "service action" and then "emission control circuit", then we go to "system fault re-initialization"; we confirm, then turn off the vehicle's ignition for at least 30 seconds, during which there will be a countdown, after which we can turn it back on, and see that the AdBlue light is off. We go back to the error codes and delete the P20E8, and that's it.
Posted on 17 November 2025 by ScegliAuto
Video tutorial
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