We need an l322 "know it all" here to help talk computers??
It sounds like something isn't talking to something else?
In the boot area, is there any humidity in there?
Are all the connections to any ECUs dry and without corrosion inside them?
We live 50mins above Bordeaux. ;)

No humidity and no corrosion inside them.
I unplug all the connections in order to test.
 
thank you td4van,

Are you sure that i can't code the ABS ECu with IDS SDD V131?

I have also SDD V138, but i test only with SDD131.
Hi yes I’m sure - it doesn’t even read fault codes from the ABS

It’s one of the legacy systems on the car and is still on T4
 

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