Possible causes
– Low engine coolant level
– Faulty Engine Coolant Temperature (ECT) sensor
– Faulty engine coolant thermostat
– Engine Coolant Temperature (ECT) sensor harness is open or shorted
– Engine Coolant Temperature (ECT) sensor circuit poor electrical connection
– Faulty Engine Coolant Temperature (ECT) sensor
– Faulty engine coolant thermostat
– Engine Coolant Temperature (ECT) sensor harness is open or shorted
– Engine Coolant Temperature (ECT) sensor circuit poor electrical connection
When is the obd code mean?
Coolant temperature signal sent to the ngine Control Module (ECM) is not within specified range.
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P0116 JEEP OBD Code Description