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Symptom List: P0115-ENGINE COOLANT TEMP SENSOR CIRCUIT SIGNAL VOLT- Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be P0115-ENGINE COOLANT TEMP When Monitored and Set Condition: P0115-ENGINE COOLANT TEMP SENSOR CIRCUIT SIGNAL VOLTAGE TOO When Monitored: With the ignition on. Set Condition: The Engine Coolant Temperature Sensor Signal voltage is above 4.98 volts for more than 3 seconds. P2054-ENGINE COOLANT TEMP SENSOR CIRCUIT SIGNAL VOLTAGE TOO When Monitored: With the ignition on. Set Condition: The Engine Coolant Temperature Sensor Signal voltage is above 4.98 volts for more than 3 seconds. P2054-ENGINE COOLANT TEMP SENSOR CIRCUIT SIGNAL VOLTAGE TOO When Monitored: With the ignition on. Set Condition: POSSIBLE CAUSES INTERMITTENT CONDITION ECM ECT SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE ECT SENSOR GROUND CIRCUIT OPEN ECT SENSOR ECT SENSOR SIGNAL CIRCUIT OPEN ENGINE CONTROL MODULE 44 DRIVEABILITY - DIESEL |