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UK-POLOS.NET - THE VW Polo Forum • Problems with ECU after BCM upgrading
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Problems with ECU after BCM upgrading

Posted: Tue Aug 06, 2019 8:10 am
by blue_ming
hi everyone,
i want to ask a question about the ECU problems after 7H0937090D upgrading on my Fabia MKII from Chinese Market.
after this upgrading, both vcds and 5054A can not access 01-ECU, both return "no response" when try to access ECU. Does anybody could give some suggestions, if he/she has same or similar situation?

many thanks.

Re: Problems with ECU after BCM upgrading

Posted: Tue Aug 06, 2019 7:49 pm
by ciclo
Hello

Is address 01 enabled in the gateway installation list?
Have you installed new CAN lines for the Instrument Cluster when you installed that new BCM (Max)?

Please, post a recent full autoscan. Thanks.

Re: Problems with ECU after BCM upgrading

Posted: Fri Aug 09, 2019 9:43 am
by blue_ming
ciclo wrote: Tue Aug 06, 2019 7:49 pm Hello

Is address 01 enabled in the gateway installation list?
Have you installed new CAN lines for the Instrument Cluster when you installed that new BCM (Max)?

Please, post a recent full autoscan. Thanks.
hi
thanks for your reply.
01-ecu is enabled in the gateway list, and cluster can lines were installed according the diagrams.

i'll post my scan this weekend as i need to find englisht version of vcds.
Thanks.

Re: Problems with ECU after BCM upgrading

Posted: Fri Aug 09, 2019 9:56 am
by ciclo
No problem for me, you can post the autoscan in your language. :wink:


edit:
Please, for VCDS, read the part of this post that may interest you. HERE
Maybe you can reach the ECU in this way.