Hello. Long story short, car is an Audi A4 2.0 TDI BPW, ECU is EDC16U31, car came in with tuned file from another tuner, power tune and DPF OFF.
Made the file, write it on the car, writing complete, everything ok. Started the car then glowplug bulb starts blinking, checked with vcds, Control Module Programming Error p0602 showed up. I tried to copy all the maps that I didn't understood from his tune intro mine, same problem again. Then I made a DTC off file with p0602 off. Car starts, runs perfect, no error. My questions are : What could be the problem? What have I done wrong? Is it ok to run on my file ? Will the care have problems because off that ?
PS : The car is a friend's car. (I'm doing this only for me and my friends)
The tool I used is Kess.
I will upload the files.
Thank you, have a good evening !
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9th June, 2022, 09:19 PM #1Member
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Audi A4 2.0 TDI BPW - EDC16U31 - Control Module Programming Error p0602
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10th June, 2022, 06:07 AM #2DK Veteran
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Probably the previous tuner knew what he was doing and all was ok. Why did u mod the file?
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10th June, 2022, 09:49 AM #3Member
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... I modified the file because the car wasn't running properly and if you looked at his tune you could see the problem in it, all maps were decalibrated and had a % tune..
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10th June, 2022, 10:01 AM #4DK Veteran
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Just remove DTC P0602 and drive.
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nusuntcatalin (10th June, 2022)
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10th June, 2022, 10:17 AM #5DK Veteran
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You better use ktag for full write. It looks like your kess cannot do cheksum correction on that ecu.
Here, full bdm ori here. If you want to restor your ecu back. Write full bdm with ktag and after that, rewrite your ori eeprom.
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The Following User Says Thank You to volodin69 For This Useful Post:
nusuntcatalin (10th June, 2022)
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10th June, 2022, 08:43 PM #6DK Veteran
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problem with maps conversion. and axys. is easy solved solution.
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The Following User Says Thank You to bogdanwmw For This Useful Post:
nusuntcatalin (12th June, 2022)
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12th June, 2022, 11:35 AM #7Member
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what do you mean ?
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12th June, 2022, 11:36 AM #8Member
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Originally Posted by bogdanwmw
what do you mean ?
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12th June, 2022, 11:54 AM #9DK Veteran
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Ur file is bad!!! u set tq limiter to 450 nm from 0 rpm to 5000rpm. no protection on that engine, there is a reason why tq limiter has a curve on dyno at specified RPm, u put the engine at big strain even at low RPM. turbo pressure limiter 19% increase ???? wow...i wonder how much that turbo will last. Better to leave this to a guy that knows to make calculations. thats my advice....no wonder why ur getting that DTC.
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