FixVault

DTC P0117 Engine Coolant Temperature Circuit Low Input: DTC Detecting Condition

DTC DETECTING CONDITION CHART

Item Detecting Condition Possible Cause
DTC Strategy
  • Voltage range check
  • Short to ground in signal harness
  • Contact resistance in connections
  • Faulty ECT sensor
Enable Conditions
  • 6 < Battery voltage < 16V
  • Time after Start in case of short circuit B+ or open circuit: 110sec. [if measured intake air temperature < -30°(-22°F)]
Threshold Value
  • Measured coolant temperature > 138°C (280°F).
Diagnostic Time
  • 5 sec
Fail Safe
  • The limp-home value of ECTS depends on intake air temperature
Mil On Condition
  • 2 Driving Cycles