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lemrid · 10/09/2023, 12h20

hi,

I have a strange issue with mms flex & edc17c64

whatever i do, i ve an error writing & verifing (corrupt writing) @ the 25th sector of internal flash. (128kb)

this issue happended after an frf update + obd reading using flex + unlocking proccess while tring to write using flex obd.

tried boot, bench & obd, no way !!!!!!!!!!!!!!

suspecting an FPGA soldering issue (the ecu seems very hot)

any suggestions ???

lemrid · 11/09/2023, 09h24

hi,
the car came running & working condition.
what I did :
- bench backup of the tcu & ecu
- updated ecu (frf) using odis e (ver 4943 to 8127) official frf database, checked, the car was running fine with dtc related to dpf & egr.
- pluged flex (obd), connect ok VR read. everything was fine as usual
- edited the vr (dpf & egr off), back to car write map
- the writing proccess started as usual but at 98% error (unlocking step)
- car wont start
- removed the ecu (btw the ecu seemed very hot) tried to write back the backup bench mode, result repeating 10 times the verification of the writing @25th sector. error
- tried boot protocol, same result stucks @ 25th

that's all

10/09/2023, 12h20	#1
lemrid Débutant T-E Date d'inscription: août 2015 Localisation: algérie, oran Messages: 34 Thanks: 35 Thanked 12 Times in 10 Posts Pouvoir de réputation: 0	mms flex issue edc17c64 hi, I have a strange issue with mms flex & edc17c64 whatever i do, i ve an error writing & verifing (corrupt writing) @ the 25th sector of internal flash. (128kb) this issue happended after an frf update + obd reading using flex + unlocking proccess while tring to write using flex obd. tried boot, bench & obd, no way !!!!!!!!!!!!!! suspecting an FPGA soldering issue (the ecu seems very hot) any suggestions ??? __________________ I'm a keysearcher

11/09/2023, 09h24	#2
lemrid Débutant T-E Date d'inscription: août 2015 Localisation: algérie, oran Messages: 34 Thanks: 35 Thanked 12 Times in 10 Posts Pouvoir de réputation: 0	hi, the car came running & working condition. what I did : - bench backup of the tcu & ecu - updated ecu (frf) using odis e (ver 4943 to 8127) official frf database, checked, the car was running fine with dtc related to dpf & egr. - pluged flex (obd), connect ok VR read. everything was fine as usual - edited the vr (dpf & egr off), back to car write map - the writing proccess started as usual but at 98% error (unlocking step) - car wont start - removed the ecu (btw the ecu seemed very hot) tried to write back the backup bench mode, result repeating 10 times the verification of the writing @25th sector. error - tried boot protocol, same result stucks @ 25th that's all __________________ I'm a keysearcher

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