fixed
H HenryFord Passed Driver's Ed Location USA Car(s) GTI Oct 20, 2021 #1 fixed Last edited: Nov 10, 2021
DrFunkalupicus Autocross Champion Location Topeka Car(s) 2016 VW GTI S Oct 20, 2021 #2 Check the wires in the harness where it plugs in to the JB4. A loose wire can cause it to behave that way and throw codes.
Check the wires in the harness where it plugs in to the JB4. A loose wire can cause it to behave that way and throw codes.