I can't hear teammates in in-game party or group chat. I have reset my console bought new controller and headset and nothing...has to be some glitch in game please help!
It could potentially be a connection issue. Sometimes borderline connections seem to shut down on social items (voice communication, sometimes even friends lists) just to keep the rest of the connection going.
I'd recommend a read through of the network troubleshooting guide:
https://www.bungie.net/en/Support/Troubleshoot?oid=12915