ORIFICE 1246660 - Caterpillar

Which Generate This Code:The Electronic Control Module (ECM) detects the following conditions:
The signal voltage from the engine oil pressure sensor is greater than 4.95 Volts DC for more than eight seconds.
The ECM has been powered for at least two seconds.
The engine is not running or the engine coolant temperature is greater than 38 °C (100 °F).System Response:The ECM will log the diagnostic code. If equipped, the warning lamp will come on. The ECM will set data for engine oil pressure to the default value.Note: The engine oil pressure that is displayed on the electronic service tool is the default value for engine oil pressure. The default engine oil pressure is 600 kPa (87 psi). The electronic service tool will display "Voltage Above Normal" on the status screens.NoneThis diagnostic code can be caused by an open circuit or a short to another power source.Test Step 1. Perform the following diagnostic procedure: Engine Pressure Sensor Open or Short Circuit - TestResults:
OK - STOP