DTC P0118: ECT Sensor Circuit High Input: Condition

DTC is set when Powertrain Control Module (PCM) detects input voltage from Engine Coolant Temperature (ECT) sensor is more than 4.8 volts. This is a continuous monitor. MIL is illuminated when PCM detects malfunction during 2 consecutive drive cycles. Possible causes are:

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