April 6, 201510 yr Hi all I went to get my Impreza wagon wrx UK MY2002 remapped. The chap read my ecu fine but when he did a test write it lost connection with the ecu. He re-tried the test write and it was fine. He did this a few times and it would randomly lose connection. Because of this he has advised me to get a spare ecu in case when he writes the file to my ecu it bricks it. The questions I have are: Is this a common problem? If I take his advice will I need just the ecu or will I need the ecu and keys with chip for immobiliser.
April 6, 201510 yr Is the alarm cutting power after a certain amount of time and thats why it crashes half way through the write process ? Think you may need the keys to a new ecu as they are programmed together. Could be wrong though
April 6, 201510 yr Author Is the alarm cutting power after a certain amount of time and thats why it crashes half way through the write process ? Think you may need the keys to a new ecu as they are programmed together. Could be wrong though Thats a good point and something I will put forward to Gareth, thanks Stants.
April 7, 201510 yr Author Spoken to Gareth, He says its not the alarm as it was disarmed and the ignition was kept live.
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