Hello and thank you for reading. I have a P59 ECM OS is 12579405. I add the channel for oil pressure and with the engine off it reads 130. With the engine at idle it reads -15 and then jumps all over with different RPM. I tried deleting the channel, connected to vehicle, under vehicle did a repoll then I tried adding it back into the channels and the problem was the same.
Any help would be greatly appreciated.