I tried replacing solenoids with "pre adjusted" ones and can say this is complete BS. So I found a way to service (or refurbish, or clean, etc. whatever you call that) original solenoids without opening them up. It helped, but I guess re-learn is still required.

Hope the procedure would be the same for all AW55-50/51SN transmissions. I currently have V50 2007 with AW50-50SN and XC70 2005 with AW50-51SN. Planning to try RA + CMA on my V50 first and in case of success will do the same with my XC70.

Btw, according to relearn procedure from Rostra it is ...