P0117
Engine Coolant Temperature Circuit Low Input
Generic code
Fuel and Air Metering
High severity
Moderate repair
Free on OBD DashX
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What P0117 means
- The fault code P0117 indicates that there is an issue with the engine coolant temperature sensor circuit. Specifically, the sensor is detecting a lower temperature input than expected.
Possible symptoms
- Illuminated check engine light
- Poor fuel economy
- Engine overheating
- Difficulty starting the engine
- Rough idle or stalling
Possible causes
- Failed engine coolant temperature sensor
- Damaged or corroded wiring or connections in the circuit
- Failed thermostat
- Low coolant level
- Failed engine control module (ECM)
Related parts
- Engine Coolant Temperature Sensor: The coolant temperature sensor measures the temperature of the engine coolant. Problems lead to engine overheating
Possible solutions
- Replace the engine coolant temperature sensor
- Check and repair any damaged wiring or connections in the circuit
- Replace the thermostat if necessary
- Refill coolant to proper level
- Replace the engine control module (ECM) if necessary
Free on OBD DashX
P0117 on OBD DashX
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