kim231234
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Adblue fault no restart after 650miles, Error codes P20BC,P20E8
kim231234 replied to Doctor786's topic in Audi A4 (B9) Forum
I had this for the past 3 years on a 2014 A6 Ultra, I have a feeling it's a software issue that Audi knows about but won't recall the car. I noticed it tends to happen when the fob battery is low. It has happened to me 3 times now and when I changed both the fob batteries, the fault clears.
