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Symptom: *CHECKING THE OIL PRESSURE GAUGE OPERATION POSSIBLE CAUSES CHECK FOR OTHER DTCS POWERTRAIN CONTROL MODULE POWERTRAIN CONTROL MODULE - SENSOR GROUND SHORTED TO VOLTAGE INSTRUMENT CLUSTER CHECK ENGINE OIL PRESSURE WITH EXTERNAL GAUGE 5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND 5-VOLT SUPPLY CIRCUIT SHORTED TO SENSOR GROUND 5-VOLT SUPPLY CIRCUIT OPEN ENGINE OIL PRESSURE SENSOR POWERTRAIN CONTROL MODULE - 5-VOLT SUPPLY CIRCUIT LOW SENSOR GROUND CIRCUIT SHORTED TO VOLTAGE TEST ACTION APPLICABILITY 1 Turn the ignition on. All Yes → Refer to symptom list for problems related to Oil Pressure Sensor No → 2 CAUTION: Ensure the engine oil is at the proper level before proceeding. All Yes → No → 3 Turn the ignition off, wait 30 seconds, then turn the ignition on. All Yes → Replace and program the Powertrain Control Module in accor- No → Replace the Instrument Cluster in accordance with the Service 196 DRIVEABILITY - DIESEL |