AMC6821: Temperature sensor not updating

The temperature readback on the AMC6821 seems to have a pretty accurate value each time I boot (that changes every time), but every subsequent read while it is on fails to really update the temperature value. Its always the same temperature, even the low byte never changes. Is it locked somehow? I see that it can be frozen if you read from the low byte, but I am just reading the remote temp high byte and it still is having issues.I tried to add a read to the low byte to see if that fixes it but it didn't. Even after applying some freeze spray, the remote temp diode temperature remains constant.