Hours: 07–23 daily

TuningBot DTC Database · v4.37.15

P0117 Engine Coolant Temperature Sensor 1 Circuit Low

Generic (OBD-II) interpretation in the TuningBot DTC database.

P · PowertrainThermal_managementOBD2

What P0117 means

P0117
Engine Coolant Temperature Sensor 1 Circuit Low Generic · thermal_management Data confidence 90%

The control module detected that the signal in the Engine Coolant Temperature Sensor 1 circuit stayed below the expected operating range.

Possible causes

  • Coolant thermostat
  • wiring short to earth
  • ECT sensor

Related and nearby codes

How to read P0117

P

Powertrain: engine, transmission and driveline systems.

0

Generic SAE-standard code: same meaning on every make.

117

Specific fault index within the subsystem.

Frequently asked questions about P0117

What does P0117 mean?

Engine Coolant Temperature Sensor 1 Circuit Low. The control module detected that the signal in the Engine Coolant Temperature Sensor 1 circuit stayed below the expected operating range.

Is P0117 generic or manufacturer-specific?

P0117 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P0117 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

ECU tuningDyno-tested results by model and engine See the results →

← Search the full DTC database