A7 help please ecu tcu

[Greg1883]

Help lol

hi guys I’m an owner of 2011 a7 3.0 fwd 

with multitronic 

Car give gearbox malfunction etc.. and traced problem back to TCU. So sent it away to get sorted, car drove a few miles and won’t start with so many messages on dtc 

I’ve pics but need find out how to attach thanks in advance 

 

 

Edited June 4, 2023 by Greg1883
No pictures

[Steve Q]

Sounds daft but what condition is the battery in? A failing battery can cause all sorts of electrical issues