DTC P0117: Engine Coolant Temperature Sensor Circuit - Low Input: Condition
WARNING: This page is about a different car, the 2003 Suzuki Aerio. However, it is still accessible from the selected car via links, so may be relevant.
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.