Has anyone experienced this? Any advice appreciated.

Ever since I've moved back to my trauma associated home, I've had trouble contacting alters. I rarely see or hear from them now and rarely do I feel them close or co front with them. We were really improving our communication before and it feels like we've taken a huge step back. Has anyone else experienced anything like this? I'm really worried about them and it's making me feel like I was faking them all along even though that would be almost impossible. It's been almost 2 years since I've been back here and it started slipping from the start. Could I have upset them some how or pushed them away? I was somewhat struggling to come to terms and believe myself before though... Surely it's been too long though. My parents caused some of the trauma that I can remember and now I am living with them again could that be why? I just feel so upset and confused. I feel so alone.