MAN TGX 18.440 year 2012 adblue problem

I have MAN TGX 18.440 year 2012, Using for car carrier, had a flashing yellow engine light on for now and a message displayed saying emission control system fault after driving for 10mins or so.

What can go wrong if stays on… thanks

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No idea , but it could well put itself into “limp mode” and then you’ll be buggered . Sounds like plug in diagnostics as per norm .

I did it … MAN dealership could not find anything and are saying to change adblue module which is worth over $15000

Truck runs well takes adblue as usual, no difference in engine output…

Or anyone can tell if adblue does any effect to engine or not

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did you end up fixing this?