Audi a4 next to the ecu there are 2 relays one is number 369 and the other is number 219.
Audi a4 b7 ecu relay.
For audi a4 b6 audi s4 2000 2001 2002 2003 2004 2005 2006 model year.
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Audi a4 relay panel location and partial diagram commentary youtube.
Ecu relay location help audiworld forums.
Fuse box in passenger compartment.
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The 2 thin wires are broken clean due to oxydation.
Bad relays in ecu box ecm power relay control circuit j271 open.
Solved where is the fuel pump relay located on an audi a4 fixya.
Fyi i have also had the same issue with a client s car and i decided to replace both ecm relays there are 2 ecm relays for a 2007 a4 cabrio quattro maybe 2 for others as well check your specific wiring diagram i m 99 sure it ll fix the problem i ll post here if it doesn t.
For the audi a4 b7 8e 8h 2004 2005 2006 2007 2008 2009 model year.
Ecu relay location help audiworld forums.