Could somebody please tell me what the following SES codes really mean?

P1698
P1695

I think it is related to the transmission but don't have specifics.

Thank you for you time and knowledge!

 

P1695-No CCD messages from the Body Control Module (BCM)

P1696-PCM Failure EEPROM Write Denied

P1697PCM Failure SRI Mileage Not Stored

P1698PCM Failure EEPROM Write Denied

P1698-No CCD messages from the Transmission or Body Control Module (TCM or BCM)

Not running?