View Full Version : Cel and code 17956 (Turbocharger wastegate reg valve open circuit) stage 3 normal?

4A Play
09-30-2016, 05:41 PM
I have a big turbo 2001 a4. Getting this code after the install. Is this normal for a big turbo 1.8t with atmospheric bov? Or something I need to investigate. All wiring looks to be ok. Is it just because I no longer use the n75 and ecu doesn't sense it?