FixVault

On Board Diagnosis Logic: Notes

These self-diagnoses have the one trip detection logic  .

DTC DETECTING CONDITION CHART

DTC No. Trouble Diagnosis Name DTC Detecting Condition Possible Cause
P0117 0117 Engine coolant temperature sensor circuit low input An excessively low voltage from the sensor is sent to ECM.
  • Harness or connectors (Engine coolant temperature sensor circuit is open or shorted.)
  • Engine coolant temperature sensor
P0118 0118 Engine coolant temperature sensor circuit high input An excessively high voltage from the sensor is sent to ECM.