1.2 TSI VW Polo P334 Fault

[Blacky2299]

Hi
My Polo has gone into limp mode and the EPC & Engine Management lights have come on, read it and has come up with
P334/013131 - Charge Pressure Control Actuator: Electrical Malfunction have replaced the actuator but still no better anyone else had this problem before?

Thanks Blacky2299