Symptoms of a P0118 could include: A code P0118 may mean that one or more of the following has happened: First, if you have access to a scan tool, check the reading of the coolant …

Mar 18, 2025 · The P0118 code indicates a high voltage input in the Engine Coolant Temperature (ECT) sensor circuit, affecting engine performance and emissions. A faulty ECT sensor, wiring …

When your PCM notices an issue with the ECT sensor, it triggers the P0118 code. This article mainly explains the P0118 code causes, symptoms, and how to fix it.

The P0118 code indicates that the Engine Coolant Temperature (ECT) sensor circuit is registering a high voltage input. The ECT sensor is responsible for measuring the temperature of the …

Aug 19, 2024 · Well, if you have a code P0118, we’ll walk you through everything you need to know. From what it means and causes it to its seriousness and how to fix it, we’ve got you …

The P0118 code refers to issues with the Engine Coolant Temperature (ECT) circuit and its accompanying sensor. The ECT is a thermistor, or an electrical resistor, whose resistance is...

Jan 11, 2016 · P0118 will set if the voltage measured by the engine computer (ECM/PCM) is higher due to high resistance (Low Voltage/High Temp [Warm Engine]) like a disconnected …

As a generic Powertrain diagnostic trouble code, P0118 applies to all vehicles from 1996 to current makes and models. This error message relates to the engine coolant temperature …

Nov 25, 2024 · DTC P0118 indicates high voltage in the engine coolant temperature (ECT) sensor circuit. A bad ECT sensor, a sensor wiring problem, or contaminated coolant can cause the …

Learn about P0118 symptoms, causes, and potential solutions from the diagnostic experts at RepairPal.