The Gen IV Ram's have a real time OBD readout on the EVIC displays in the gauge cluster.
It changes in 1° increments, and not in a smooth linear fashion, I believe it to be very accurate. Unlike the factory sweep 'temp' gauge.
It's pretty neat, It can display 4 things at once, Coolant Temp, Oil Temp, Trans Temp and Oil Pressure. It's my watchdog screen.
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- Greg
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