A new relay fixed the problem and the car started right up.
Audi a4 b6 ecu relay location.
Audi a4 next to the ecu there are 2 relays one is number 369 and the other is number 219.
Fuse box in passenger compartment.
Locate fuse and relay.
Http amzn to 1pquqv4 my car tools and supplies guide.
Check fuses position on the image.
A4 b6 platform discussion discussion forum for the b6 audi a4 produced from 2002 2005 ecm power relay control circuit j271.
To access it you must have the left hand side door open and remove the side dash cover pushing it.
Finally found my ecm relay location.
Get your audi parts here.
Identifying and legend fuse box audi a4 b6 2000 2006.
At the back of the relay 219 there are 5 wires 3 of them are thick and the other 2 thin wires.
The 2 thin wires are broken clean due to oxydation.
Audi a4 b6 ecu removal replacement engine computer our website.
It s 3 layers deep under the tcm under the ecm in the.
The audi a4 b6 and b7 fuse box is located on the left side of the dashboard see image on the right.
Fuxe box diagram and amperage list.