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View Full Version : EDC17C46 Cruise control probleme after replace ecu and immo off!



romano21
27th August, 2017, 02:46 AM
Hello all!

i needed to replace dead ecu on scirrocco 3 2.0TDI 140ps EDC17C46 2.5 with another same model 2.5
old ecu 03L906018AN
new ecu 03L906018AQ
Full compatible
but software in Internal flash is différent ( for same engine but DSG ) mine is manual.

i make change in flash for adapt to Manual gearbox and immo off in int flash and eeprom car run good ! no safe but on first try have 2 DTC P1570 and P1612.

I off this 2 dtc and car run ok no safe and no dtc !

BUT ! i loose Cruise control and it impossible to reactivate it ! i try with vcds and vcp.
ALL long coding string is 00000000000000000 and have error 31 when i want recode !

please ! wtf ?