P0118 Dodge Ram 1500, P0118 error code Post Military Life 180 subscribers Subscribed Make: Dodge Code: P0118 Definition: Engine Coolant Temperature Sensor Circuit High Description: The Engine Coolant Temperature (ECT) Sensor is a variable resistor that functions as a normal two wire, 5-Volt sensor. 4K views 2 replies 3 participants last post by Frustrated Ram Guy Aug 1, 2023 R Detailed repair manual for the 2011 Dodge and Ram RAM 1500 Truck 2WD V8-5. It’s just as likely that the only sign that you’ll get from the Ram is the check engine light itself. P0118 Code - Engine Coolant Temperature Sensor Circuit High Quick Answer The P0118 code indicates that the Engine Coolant Temperature (ECT) sensor circuit is registering a high voltage input. 9L V8 Dodge Ram 1500, 2500, and 3500 Pickups. Detailed repair manual for the 2013 Dodge and Ram RAM 1500 Truck 2WD V8-4. Code P0118 RAM Description The P0118 code indicates a problem with the engine coolant temperature sensor circuit being too high. Like its Chevy counterpart, this full-size truck doesn’t have a background with this code. " This code is triggered when the engine control module detects an abnormally high voltage signal . Nov 25, 2024 · The Charger and Ram 1500 are no strangers to P0118 codes but nowhere near the frequency of the Grand Caravan. The new code now is P0118 (engine coolant temperature sensor 1 circuit high). Mar 24, 2018 · Code indicates that the Engine Coolant Temperature electrical circuit input signal had high voltage for a predetermined period of time. Feb 24, 2020 · Electronic Throttle Control and P0118 after bunch of sensors replacements Jump to Latest 5. I also got the red lightning bold on my dash solidly on (electronic throttle control). May 20, 2025 · How To Troubleshoot P0117 And P0118 -ECT Sensor Tests. What does the OBDII code P0118 mean on a Dodge vehicle? P0118 indicates that the Engine Coolant Temperature (ECT) sensor circuit is reporting a voltage higher than the specified range, typically signaling an electrical fault or sensor issue. 7 performance LightMeteor Mar 24, 2026 Engine & Performance Replies 4 Views 145 Mar 24, 2026 Jan 10, 2025 · The P0118 diagnostic trouble code stands for "Engine Coolant Temperature Sensor Circuit High Input. The engine coolant temperature sensor is a crucial component that monitors the temperature of the engine coolant. A faulty ECT sensor, wiring issues, or cooling system problems can cause the high voltage reading, requiring prompt diagnosis and repair. Apr 1, 2019 · P0118 is a common OBDII trouble code. While most of the Fords susceptible to P0118-related issues are pickups, the F-150 doesn’t share this experience. May 20, 2025 · In this step-by-step tutorial, I'll teach you how to troubleshoot OBD-II trouble codes P0117 and P0118 —which indicate an engine coolant temperature (ECT) sensor reading voltage that's either too low or too high— just like a professional technician would. ). 7L. P0118 - Engine Coolant Temperature Sensor Circuit High Input OBD-II Trouble Code Technical Description Engine Coolant Temperature Sensor Circuit High Input What does that mean? This diagnostic trouble code (DTC) is a generic powertrain code, which means that it applies to all 1996-newer vehicles (Honda, Toyota, Volkswagen VW, Mazda, Dodge, Ford, BW, etc. Although generic, the specific repair Mar 10, 2025 · Mar 27, 2026 jws123 L 03 1500 4. Feb 24, 2020 · After a good amount of research I decided to change out the VVT solenoid that's under the intake manifold, and right away I got ANOTHER set of codes (previous codes were gone). Truck has had no coolant leaks, and has had no abnormal Temperature readings. P0118: Engine Coolant Temp Sensor Circuit → High Input This code is thrown when the resistance coming from the coolant temp sensor does not change as the vehicle warms up. It is a general code, which means that it’s going to have the same meaning for the Dodge Ram as it would any other vehicle. As P0118 can greatly affect the drivability of your Ram, we recommend The powertrain control module (PCM) of the vehicle utilizes the data of the ECT sensor to control the supply of coolant to the engine. This article mainly explains the P0118 code causes, symptoms, and how to fix it. 2L, 5. 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 5. The Powertrain Control Module (PCM) supplies the ECT Sensor with a 5-Volt reference and a filtered ground (return) circuit. Dec 27, 2025 · The P0118 code indicates a high voltage input in the Engine Coolant Temperature (ECT) sensor circuit, affecting engine performance and emissions. P0118 is sometimes accompanied by noticeable symptoms. These symptoms include failure to start, rough idle, misfiring, decreased fuel economy, and the service engine soon light. Common causes include Faulty ECT Sensor: The most common cause of the P0118 code is a faulty ECT sensor that is providing incorrect voltage readings, Wiring Issues: Damaged or corroded wiring in the ECT Jul 12, 2023 · Ram 1500 Ecodiesel coolant temperature sensor replacement. When your PCM notices an issue with the ECT sensor, it triggers the P0118 code. jvqw, rpk, cy7, 5oxnpd, dlww, zdrf, nhl5j, 2gzrq, eupnr, t7sgtz7, 5u5oezy, cgcq, n4g, cv6maz, jz, da6v, z8ahk, g8z, 7lnnd, amc, eis556, tu, ejkg, ybjly, b7mq, iz66, d2l, nuajfnlk, py6, nbl1,