C4 Cactus 1.6 Blue Hdi error P2566

[Cactus owner]

Hi, can anybody give me an advice, what to change or check for the P2566 error. The car runs normally, maybe a little increase in consumption of diesel..app 0.2l for 100km
OBD scanner shows the : TURBOCHARGER Boost Control Position Sensor A Circuit Intermittent
Only that error. Where is the position of this sensor? Thanks for any advice.

[Cactus owner]

Problem solved..eolys tank pump failure..even if it was already changed and refilled....some computer work and it is gone...

[Paul-R]

....some computer work and it is gone...

Is that a euphemism for having the Adblue system coded out?

If it isn't, what was done to repair the system?

[Cactus owner]

The Adblue was not removed, eolys tank is not Adblue. I have changed the old one, because of SERVICE and ENGINE MAINTENANCE on display, New pump is available only with new tank, mounted, reffiled and reset on computer. And after every refuel with diesel there was the same error. After diagnostics, it was faulty new pump..It costs around 500€ and in the end it does not work...So next step for me was removing it and adding DPF cleaner additive when refuel at gas station. Thats the story..
BTW, the eolys pump error comes around 90000km on every diesel citroen with it..because it counts every time you add fuel and not when it is empty...With a new car it should last around 140000km...