calculate check sum in alfa jtd

[javilette]

i put immo oof in this ecu but i need calculate check sum , can some body calculate checkh sum in this please .

thank yo uin acvance

[diagmoh]

Hi javilette

your checksum: D229

[tomaszcz]

i put immo oof in this ecu but i need calculate check sum , can some body calculate checkh sum in this please .

thank yo uin acvance

Send orginal file, i try help you.

[javilette]

original file but i need immo off

[tomaszcz]

original file but i need immo off

What number ecu? What engine?

[javilette]

alfa romeo 1.9 jtd 115cv ecu edc15c7 sw1037351965 hw0281010335

[oep]

How did you read ecu?

[javilette]

galleto and i read 29f400 too

[nicamarcos]

Post original file and i will calculate for you.

[grinovsky]

alfa romeo 1.9 jtd 115cv ecu edc15c7 sw1037351965 hw0281010335
you must upload the original too to correct chucksum

[lupu_sandu]

Your file with checksum OK.
You modify file in 4 places, so need to correct 2 zones not one ;)

[javilette]

dont works , when i put this file dont show the ligh check engine and i cant read by obd whe i put the original it show tome the light of the check engine but i have the problem whith immo . what i have bad in the immo off file , lupu sandu can you help me whith this file ???

[tachonow]

You have so big problem to post the ori file ?
Off file is well done but you need MPPS or BDM for calculate checksum in write, else only with orig with comparing is possible to realize the cks calculation.