DTC P0117: Engine Coolant Temperature Sensor Circuit - Low Input: Condition
DTC is set when Engine Control Module (ECM) detects Engine Coolant Temperature (ECT) sensor input voltage is less than 0.16 volts for 5 seconds continuously. Engine coolant temperature high and ECT sensor resistance low. Possible causes are:
- ECM malfunction.
- ECT sensor malfunction.
- ECT sensor circuit malfunction.