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med17.5.20 wont start after flash tuned
19-05-2019, 19:46 PM,
Post: #1
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med17.5.20 wont start after flash tuned
a few weeks ago a friend of my bought a new car.
Seat Leon 1.4TSI with a MED17.5.20 ecu i read out original file with kess. he did the tune at other company bud was not happy with it... so i readout the tune file and compare it with stock file. I saw some changes but could not place it. because I am not so familiar with this type. so today i approached someone through here asking if he wanted to look. he soon indicated that it was not all right. He has made a new and good tune and sent it to me. after writing the car did not start ... the fan did start. so it's a checksums error. I approached the person again and reported this. he immediately told me that he has already corrected the checksums with original winols. He then gave me a few files including 1 without the checksums. Kess asks me to load ori file for checksums so I follow the procedure as it tells me. but the same problem car does not start. if i write back the tuned file read from car then there is no problem... can anyone tell me what goes wrong here? see files in the attachment Attach: ori read, TunerXXX ( company tune ), stg1 is tuner from here |