Colorado 4WD L5-3.5L VIN 6 (2005)
Oil Pressure Gauge: Description and Operation
ENGINE OIL PRESSURE GAGE
The IPC displays the engine oil pressure as determined by the PCM. The IPC receives a class 2 message from the PCM indicating the engine oil
pressure. The engine oil pressure gage defaults to 0 psi (0 kPa) or below if:
-
The PCM detects a malfunction in the engine oil pressure (EOP) sensor circuit.
-
The IPC detects a loss of class 2 communications with the PCM.
