Adblue pump “pressure too low’ A4 2.0 tdi (b9)

[WesT-gefül]

I drive a 2016 plate A4 b9 2.0 Tdi 190ps stronic. Car went in for a warranty claim regarding the leaking gearbox. Still currently being fixed. Audi also spotted the fault “pressure too low’ relating to the adblue pump. This I’m told is a single unit including the tank. The part number being replaced for the Adblue tank is A8W0131879AJV. I will try get the actual fault code but was only provided with the above for now.

I thought this would be of interest to the diesel drivers out there.

 

[WesT-gefül]

The fault code is: P20E8

 

[Ioan Furdui]

The fault code is: P20E8

I got P21CA fault, aswell check engine light after i top up ad blue.
Seems like ad blue related fault. Will need to get to a service.