I keep getting this code


Code:U1016Modules:Audio Amplifier, BCM, DDM, DRR, DSM, EBCM, GBCM, HVAC Control Module, IPC, PDM, Radio, RWSCM, SDM, TDescription:Lost Communications With ECM/PCM

Everything still works... I havent had any issues at all but i just keep having this code and it wont clear? any ideas where i should start looking or if any of you have had this issue before?

thanks

fill out your signiture and list what you all have so people can know exactly what you have done.