P1114moderate severityPowertrain
Engine Coolant Temperature Sensor Malfunction
on 2017 Hyundai Tucson 2.5L I4 · AWD
What this code means
The PCM has detected a malfunction with the engine coolant temperature sensor. The sensor reading does not correlate with expected warm-up behavior or is providing erratic data.
Symptoms
- Check Engine Light
- Incorrect temperature gauge reading
- Poor fuel economy
- Fan may run continuously or not at all
- Hard cold starts
Common causes
- Faulty ECT sensor
- Corroded ECT sensor connector
- Wiring issue in ECT circuit
- Low coolant level exposing sensor
- Thermostat stuck open affecting readings
Diagnostic steps
- Compare ECT reading on scan tool with infrared thermometer measurement
- Test ECT sensor resistance at various temperatures
- Inspect ECT connector for corrosion
- Check coolant level
- Inspect wiring for damage
Repair notes
Replace the ECT sensor if its resistance does not match the temperature-resistance specification chart.
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1