DTC P0117: ECT Sensor Circuit Low Input: Condition

DTC is set when Powertrain Control Module (PCM) detects input voltage from Engine Coolant Temperature (ECT) sensor is less than .2 volt. This is a continuous monitor. MIL is illuminated when PCM detects malfunction during 2 consecutive drive cycles. Possible causes are:

• ECT sensor malfunction.
• Short circuit between ECT sensor and PCM.
• PCM malfunction.