Multiecuscan

Hallo. I've a elm 327 v. 1.4 inteface.I use it for 4 years.I can'not read body comp,steeringweel,service modul,etc. just motor ecu.The problem exists in one month.Nothing is changed.With wag kkl cable does not work, just motor ecu can be read.I've a frend and he has the same problem. We have MES2.2 ...