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xpto
18th February, 2018, 01:30 PM
Hello.got this w202 with ecu 0281001881 always with error p1622 y75 valve.can someone please remove it completly?

unnamed11112007
18th February, 2018, 01:50 PM
Hi
file for you
p1622 DTC off
-------------->507789
good luck :)

xpto
18th February, 2018, 06:02 PM
Sorry but dont work.car dont crank

xpto
19th February, 2018, 09:21 AM
No one can help?

johak
19th February, 2018, 09:36 AM
try this...

xpto
19th February, 2018, 10:16 AM
Gonna try.is checksum corrected?

johak
19th February, 2018, 10:24 AM
yes, corrected

xpto
19th February, 2018, 10:44 AM
Dont know way but car still no work

johak
19th February, 2018, 10:46 AM
the problem is in checksum
probably my winols did not calculate it correctly
with which tool write file?

xpto
19th February, 2018, 10:56 AM
I use willem

johak
19th February, 2018, 11:02 AM
if you have a kess try with it
you first need to write an original with willem then via obd with Kess
kess will calculate checksum

xpto
19th February, 2018, 11:05 AM
And kess read the complet flash?

johak
19th February, 2018, 11:12 AM
yes it is edc15
but you will only write file with kess

xpto
19th February, 2018, 11:14 AM
Ok.gonna try

xpto
19th February, 2018, 12:15 PM
Ok.gonna try

xpto
19th February, 2018, 12:17 PM
No way.with original ecu is still dead.dont know what wapen.gonna tey in other ecu with kess

johak
19th February, 2018, 12:37 PM
post HW and SW from ecu label

xpto
19th February, 2018, 02:11 PM
Now second ecu is dead too.ive read first with kess then put mod file.car dont work.try to put original and kess dont recognize ecu and cant do noting.

johak
19th February, 2018, 02:28 PM
why write a mod file read with willem this file probably not read correctly
now you need to write a file readed by kess with willem

xpto
19th February, 2018, 02:50 PM
Im gonna try to put original file with willem

unnamed11112007
19th February, 2018, 06:31 PM
You ori file very bad
Sorry I did not see at once
this you good ori file and mod with ELAB off chks Ok
----------> 508068
pass old


You can extract flash from ECU and write it in programmer

Regards