PASSAT ECU DEMAGE BAY WATER . SVAPING ECU HELP

[rtvservis]

SOLUTION PLEASE. passat pcr2,1 damaged by water.
Bought another ecu same number O3L 907 425 C. HW .H43.
BUT NO START STOP SYSTEM.
IMMO SOLVE THROUGH ODIS ONLINE. THE CAR HAS NO ERRORS. BUT WILL NOT START. STARTER NOT SPIN ENGINE . WHEN CONECT ORG ECU STARTER WORK .BAT CAR NOT START DEMAGE VOLTAGE OFF INJECTOR.
orginal ecu software 03l 906 023 FS
donor ecu software 03l 906 023 ML

WHEN I TRY TO CODE ECU TO HAVE A START STOP SYSTEM. ECU REJECTS CODING

HELLP

[ricked]

to do this kind of work you "need" same hard/software in donor, dont expect this to work the way it is now

[rtvservis]

SOLVED. I OPEN AND UNLOCK ECU. WRITTEN FLESH FROM ORIGINAL ECU TO DONATED ECU. CAR NOW START .
EROR, WRONG CODING .ZEROS 0000000000000
TRANSFER LONG CODING FROM ORG ECU , CODING ACEPTED .
CAR DU NOT HAVE EROR.
THENX