ses code for 2013 ram pick up oil code p0520

uturn

this code keeps coming back .oil pressure out of range. have replaced sensor check wire harness all good. good do I have to have pcm up dated .

Mr_Shiftright

I would certainly check for a TSB for your particular vehicle. The P0520 code is generic to all vehicles. A PCM issue is possible, though less likely than a wiring problem.