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Title: 2000 s4 2.7t 6 speed cant connect to ecu? Post by: darkshado87 on October 28, 2013, 04:45:27 AM I have ran into this before when there was an aftermarket radio installed in a friends car, but i just acquired this car and can not connect to the ecu. the car still has factory radio, although i did notice an amp wire, and remote wire running to the trunk? The car starts and drives just fine, i have not tried connecting to any other module in the car threw obd2 (ive herd stories about burning up vagcom dongle / what ever else used) im going to check for voltage on k line this afternoon if there is no voltage present im going to try to connect to abs module or airbag. If i can connect to another module threw obd2 but just not the ecu what does this mean? the car starts runs and drives fine, but in order to pass nys inspection i need to be able to connect to the ecu! Any thoughts?
Thanks in advance! Title: Re: 2000 s4 2.7t 6 speed cant connect to ecu? Post by: vdubnation on October 28, 2013, 06:26:31 AM Bad Abs module may cause you to not connect (try unplugging)
i had a car that was completely striped track car flashed it all the time no problems until one day wouldnt anymore ran a new k line from ecu to obd port |