I have washed my Audi 2007 2.0 diesel 170hp and my glow plug light came on the board

[A4 lover]

Hello guys.
Can somebody help me?
I washed my car. when I start the car starts normal runs normal but after 3 minutes aprox. The glow plug sign flashes continusly on my dashboard till I stop the car. There is no power loss or any changes it runs the same before.
Any help pls?

 

[Lord]

I’m not sure how a vote will help you in this case. I would suggest you look on the VCDS map and get the car plugged in to see what’s recorded.