DTC P1117: Engine Coolant Temperature (ECT) Sensor Intermittent
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P1117 - ENGINE COOLANT TEMPERATURE (ECT) SENSOR INTERMITTENT
| Description: | Indicates the ECT circuit became intermittently open or shorted while the engine was running. Note: On vehicles that are not equipped with an ECT sensor, the cylinder head temperature (CHT) sensor can set this DTC. | ||
| Possible Causes: |
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| Diagnostic Aids: | Monitor the ECT on a diagnostic tool. Look for sudden changes in the reading when the harness is wiggled or the sensor is tapped. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| Vehicles with only a cylinder head temperature (CHT) sensor | - | - | GO to DL: Cylinder Head Temperature (CHT) Sensor STEP DL14. |
| Vehicles with only an engine coolant temperature (ECT) sensor | - | - | GO to DX: Engine Coolant Temperature (ECT) Sensor STEP DX15. |
| Vehicles with both a CHT and an ECT sensor | - | - | GO to DX: Engine Coolant Temperature (ECT) Sensor STEP DX15. |