Fiat Iaw 5Af hw 303 no wrtie just read

[roman_auto]

Hi all
i am trying to write back the file to this ecu but give error on serval programmers, and i did drill a hole and put boot but just read no write , someone know mybe what coulf be the resson ?

Thanks

[yellowstilo]

you have to viriginise the ecu before writing....

[roman_auto]

you have to viriginise the ecu before writing....

yes immo off, now i menage to write the file with Piasini only with 256k , it is ok for immo off.

Fg and kess have 320k but cant write the file back. any idea ?

[Master01]

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[roman_auto]

I read it and write it only with Piasini , and the immo is in the flash st10f168 but my file is 256k, my question is is thr immo in this 256k ok ?

i need to immo off

Thanks

[roman_auto]

Ok now all working read/write just need Immo off file if some one have it and please can upload it.

5AF.P3 Hw303 Punto 2005 Manual gearbox

Thanks

[bearheroes]

can you please post steps?

[roman_auto]

can you please post steps?

steps of what ? how i read you mean ?

[bearheroes]

how you write...you made immo off the Piasini file?

[simaservis1108]

In all Fiat ECU's immo blocks the manipulation of flash.
So it is virgin first then write/change flash.

Or for example unsolder eeprom when writing EDC15 on table.

[roman_auto]

how you write...you made immo off the Piasini file?

Piasini read only 256k and i did not mange to do immo off yes, now i read in Fg just in Tool mode toread and write decode file, and now i working on to immo of this cause in Fg the file is 320k so it included the info of the immo.