Seat: after placing new MFA+ cluster only the RIGHT+LEFT buttons on right side don't work

[H2Deetoo]

Hi guys,


I know this is a Seat question but there are many resemblenses with Polo PQ so there might be some expertise here

A friend of mine with Seat recently upgrade his lowline cluster (1P0920810P SW0404) to a MFA+ cluster (5P0920850_SW0905).
The cluster is working well.

He already had a steering wheel with 12 buttons and most of them work, only the LEFT+RIGHT buttons on the right side (to switch to other menus) doesn't seem to work.
I've already checked some settings and codings with him but can't find any obvious issue.

Here is the steering wheel module with the buttons:
Teilenummer SW: 5K0 953 521 BN HW: 5K0 953 569 E
Bauteil: LENKS.MODUL 009 0136
Revision: FF010038 Seriennummer: 20100925200677
Codierung: 1082140002

Steuergerät für Multifunktionslenkrad:
Subsystem 1 - Teilenummer SW: 1P0 959 538 C HW: 1P0 959 538 C Labeldatei: DRV\3C8-959-537.CLB
Bauteil: E221__MFL-TAP H02 0102
Codierung: E20000


Does anyone here have an idea why only the LEFT+RIGHT buttons on the right side don't work?
If there is a mechanical failure, is there some way we can check that in some measure blocks?


Thank you in advance for any input!


Regards,
H2Deetoo

[spacewalker]

this is a cluster EPP configuration
sometime can jump from TRIP stalk to MFSW itself ,
some time when is stuck, only EPP change can fix this
post cluster EPP and can be fix

[H2Deetoo]

Thanks, but did you mean address 0x0000 ? That value is 0x03 to make the buttons work. Any other value makes the buttons not work.
Anyway here is the full eeprom:
https://mega.nz/file/XnAQBCIb#4YSm2QIKD ... Gadld9yUoY


Thanks H2Deetoo

[Jay-Jay]

I remember I had a similar problem when I installed my MFSW.
Press and hold left and right buttons and at the same time switch-on the ignition while those buttons are pressed.
This should enable those two buttons.

[spacewalker]

check what CAN message is send from Seat MFSW , and what is from VW MFSW
becayuse EPP is working ok with VW MFSW

[H2Deetoo]

Yes, that's what I already knew by testing