Markyboytr7 Posted Tuesday at 02:42 PM Share Posted Tuesday at 02:42 PM Good afternoon. I wonder if anyone could help. I have a 2006 a4 2.5 tdi convertible and am having problems in finding the location of the ecu . Sorry if someone else has asked this I am new to this site and just finding my around. regards. Mark Quote Link to comment Share on other sites More sharing options...
Stevey Y Posted Tuesday at 06:28 PM Share Posted Tuesday at 06:28 PM 3 hours ago, Markyboytr7 said: Good afternoon. I wonder if anyone could help. I have a 2006 a4 2.5 tdi convertible and am having problems in finding the location of the ecu . Sorry if someone else has asked this I am new to this site and just finding my around. regards. Mark Hi you could try removing the front plastic scuttle cover just below the windscreen its probably under there. Steve. Quote Link to comment Share on other sites More sharing options...
Markyboytr7 Posted Tuesday at 07:55 PM Author Share Posted Tuesday at 07:55 PM Hi Steve. that’s where I thought it was but unfortunately not. it seems to differ from the standard 2.0 tdi but thanks for your input. Quote Link to comment Share on other sites More sharing options...
Steve Q Posted Tuesday at 08:25 PM Share Posted Tuesday at 08:25 PM Is it behind the lower dash on the driver's side or kick panels? Quote Link to comment Share on other sites More sharing options...
Markyboytr7 Posted Tuesday at 10:19 PM Author Share Posted Tuesday at 10:19 PM Ohhhhhh amazing . Thanks very much. Got to do a ecu and speedo change due to immobiliser going down. thanks for your help. regards Quote Link to comment Share on other sites More sharing options...
Steve Q Posted Tuesday at 10:25 PM Share Posted Tuesday at 10:25 PM 5 minutes ago, Markyboytr7 said: Ohhhhhh amazing . Thanks very much. Got to do a ecu and speedo change due to immobiliser going down. thanks for your help. regards You're welcome. Are you certain it's the ECU? I ask as the instrument cluster is part of the imobiliser system and failing clusters is not unheard of Quote Link to comment Share on other sites More sharing options...
Markyboytr7 Posted Tuesday at 10:37 PM Author Share Posted Tuesday at 10:37 PM Steve. story so far. car suddenly started and ran for a few seconds at a time. aa man said immobiliser system down which is in the cluster. I then removed the cluster and found what I thought was a dry joint .resoldered that joint reasembled cluster and disaster struck. No start even for a few seconds and gauges irratic. I have another car the same year and engine size that I am going to scrap so I M going to attemp to swap ignition. cluster . Ecu and the black box and hope that works. do you think I’m missing anything. Quote Link to comment Share on other sites More sharing options...
Steve Q Posted 20 hours ago Share Posted 20 hours ago If it's anything like my 2002 A6 the imobiliser system has 3 components the instrument cluster, injection pump and ECU. Yours could be the same. To save yourself heartache I'd recommend you send your current cluster off to be repaired. Lok an eBay as there's companies that offer this service. You'll be looking at around £300+ 1 Quote Link to comment Share on other sites More sharing options...
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