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View Full Version : I need big help to swap ECUMM IAW 4HV for vw polo 9N, please!!!



electrones
27th October, 2017, 09:42 PM
Hi friends
I have a Vw POLO 9N petrol, with ECU damaged by water, so i have second hand ECU to swap but i have some probs in procedure with Ross tech VCDS, because i have this error (SECURITY ACCESS ERROR- NOT SUPPORTED BY CONTROL MODULE)
I need suggetions, advice to solve this probs
i have pin codes from damage ECU and new ECU calculated by EFfi and kiska DK friend but maybe is wrong!!
if some can help iŽll appreciate.
CHEERS
http://wiki.ross-tech.com/wiki/index.php/Immobilizer_IV_ECU_Swapping

rafal
27th October, 2017, 10:11 PM
new ecu : 04270
dash 00555

electrones
28th October, 2017, 09:54 PM
Hi m8
Now i understand my mistake iŽl try and report


Thanks
Cheers

cubica1
29th October, 2017, 03:26 AM
just replace eeproms it's easier way,
cuby

electrones
31st October, 2017, 11:58 AM
new ecu : 04270
dash 00555

Hi friend
ECU continues refusing pin code 04270, i leave ignition in 2 for more 15 minutes and try again but without success for immobiliser pin code is ok
so can u do my 95320 virgin, please!!!


just replace eeproms it's easier way,
cuby

Hi
It was the best way I had but unfortunately 95320 from old ECU is corrupt

Thanks

kiszka
31st October, 2017, 12:38 PM
..........

electrones
31st October, 2017, 01:02 PM
I have test it but without success same error