P0118 - Engine Coolant Temperature Sensor Circuit High Input
NOTE: Usually, P0118 is indicative of a bad temperature sensor, but doesn't rule out these other possibilities. If you're unsure of how to diagnose a PCM, do not attempt.
P0118 Code Meaning, Causes, Symptoms & Tech Notes
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 …
P0118 Code? Here’s How to Fix It Quickly and Easily
Dec 27, 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 …
P0118 Code (Symptoms, Causes, and How to Fix) - Car Treatments
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 …
P0118 Code: Meaning, Causes, Symptoms, (& How to Fix it)
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.
P0118 - Engine Coolant Temperature Sensor 1 Circuit High
Learn about P0118 symptoms, causes, and potential solutions from the diagnostic experts at RepairPal.
P0118 Code: Causes, Symptoms & Fixes for ECT Sensor Issues
Nov 27, 2025 · Learn what the P0118 coolant temperature sensor code means, the common causes and symptoms, and how to diagnose and fix it. Get simple repair tips now.
P0118: Engine Coolant Temperature Sensor Circuit High Input
Jan 10, 2025 · Here's what you need to do if your engine is showing error code P0118, which is triggered when the engine control module detects an abnormally high voltage signal from the …
p0118 Code - Engine Coolant Temperature Sensor 1 Circuit High
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...
P0118 Engine Code | Engine Coolant Temperature Sensor Circuit …
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 …