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Old 05-21-2010, 11:30 AM
1st Gear
Join Date: Mar 2010
Posts: 49
Default 2000 s4 no communication with ecu

i believe its because my radio aint working so i am guessing dats why i cant communicate with my ecu now my second question once my kit comes in for the radio is there anything else other then the radio that wont let me communicate with the ecu?
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Old 05-25-2010, 04:11 PM
1st Gear
Join Date: Mar 2010
Posts: 49

bump guys i just pulled out the radio and still cant communicate with the car!!! THE ABS LIGHT SPC N CHECK ENGINE LIGHT IS ON HELP NO COMMUNICATING WITH ECU TO CHECK CODS!!!!!!!!!!!!!!!!
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Old 06-04-2010, 05:24 PM
Senior Member
Join Date: Nov 2008
Location: depoe bay
Posts: 700
Send a message via AIM to bottlecap

is your ecu bad? i know water can sometimes get in there an screw things up. poor drainage design. check your fuses?
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Old 06-04-2010, 07:56 PM
Junior Member
Join Date: Apr 2010
Posts: 5
Default 2000 s4 no communication with ecu

I don't know if this will help but I have a 2000 A6 2.7T and on my car I could not communicate with the ecu either. I discovered it was a bad ABS module, if I unplugged it I could communicate with the ecu just fine.
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Old 06-05-2010, 04:47 PM
2nd Gear
Join Date: Jan 2010
Location: Denver
Posts: 772

Does anyone know if the immobilizer could cause the problem?
2001 Audi A6 2.7t--------1982 Honda Accord LX 5 speed
Brilliant Black--------------Rust(ic) Beige
~115,XXX -------------------210,000+
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Old 06-05-2010, 04:47 PM

2000, 2001, 2001audi, a4, a8, audi, b5, commuincuting, communication, ecm, ecu, fuse, number, s4, water

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