DTC P0118 Honda
Engine Coolant Temperature (ECT) Sensor 1 Circuit High Voltage
Engine Coolant Temperature (ECT) Sensor 1 Circuit High Voltage
Description
If the ECT sensor 1 output voltage is less than the set value when the engine coolant temperature is low, the PCM detects a malfunction and a DTC is stored. The execution time is continuous and the duration time is 2 seconds or more. DTC P0117 is not active. The ECT sensor 1 output voltage is 4.92 V or more for at least 2 seconds. NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot.
Cause and Solution
Poor connections or loose terminals at ECT sensor 1 and the PCM Open in the wire between the PCM and ECT sensor 1 Open in the wire between the PCM and ECT sensor 1 Update the PCM if it does not have the latest software, Faulty ECT sensor (1) Faulty PCM
Video Guide
Diagnostic Info
- DTC Code: P0118
- Brand: Honda