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P0117 Diagnostic Trouble Code Discussion for March 2013

Engine Coolant Temperature Sensor Circuit Low Voltage

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Trouble Ticket Help Requests for DTC P0117
Help Request Posted
2004 Jeep Grand Cherokee Laredo 4.0L MIL Lamp on VIN: 1J4GX48S34
P0117: Engine Coolant Temperature Sensor Low Voltage. I'm getting a code for low ECT voltage. I replaced the sensor with no change. Voltage read 0.00. When I unplugged sensor, voltage went to 5.0 and temp read 64F. When I connect the two wires, voltage goes to 0.0 but temp does not change. Temp gauge on dash neve...
March 06, 2013