Hi I have multiple ground codes come up on the Audi a4 b8.5 2015 2.0tdi I’ve put a picture of codes any body have a wiring diagram from Ecu to engine loom or anything I can try all fuses are good can’t see any wires rubbed through car come up start stop also not working battery all ok fully charged coil light flashing on dash aswell fan stays on couple minutes extra when engine turned off before all fault codes come up thanks