Sounds kind of what mine started doing. My theory is the paremeters in the ECU is too close so as sensors get some age and the tolerances change/widen the ECU starts throwing false/phantom codes all over the place like with my 02 sensor circuit thus the need for a new flash.

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2007.5 Dodge Ram 3500 HD,QC, 6.7L Cummins, 6speed Auto, 4X4, Bighorn Edition.
Click for installs: Carr Steps PML Diff Cover Edge Juice with Attitude Volant Intake Hankook ATM RF10