P0118 2021 Honda CR-V Code - Engine Coolant Temperature Sensor 1 Circuit High Voltage
Quick Answer
The Engine Coolant Temperature (ECT) Sensor 1 is used for air/fuel ratio feedback control, ignition timing control, idle speed control, and other functions. Common causes include Faulty Engine Coolant Temperature (ECT) Sensor 1, Engine Coolant Temperature Sensor 1 harness is open or shorted, Engine Coolant Temperature Sensor 1 circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0118 2021 Honda CR-V indicates Engine Coolant Temperature Sensor 1 Circuit High Voltage.
- Common causes
- Common causes include Faulty Engine Coolant Temperature (ECT) Sensor 1, Engine Coolant Temperature Sensor 1 harness is open or shorted, Engine Coolant Temperature Sensor 1 circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P0118 2021 Honda CR-V Description
What are the Possible Causes of the DTC P0118 2021 Honda CR-V?
- Faulty Engine Coolant Temperature (ECT) Sensor 1
- Engine Coolant Temperature Sensor 1 harness is open or shorted
- Engine Coolant Temperature Sensor 1 circuit poor electrical connection
- Faulty Powertrain Control Module (PCM)
How to Fix the DTC P0118 2021 Honda CR-V?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0118 2021 Honda CR-V code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the P0118 2021 Honda CR-V code?
Need more information on how to fix the P0118 2021 Honda CR-V code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0118 2021 Honda CR-V code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0118 2021 Honda CR-V Code
1. What are the common symptoms of OBDII code P0118 in a 2021 Honda CR-V?
- Common symptoms include the engine running hotter or cooler than usual, inaccurate temperature gauge readings, poor fuel economy, and potential issues with the vehicle's cooling system.
2. What can cause the Engine Coolant Temperature Sensor 1 Circuit High Voltage code in a 2021 Honda CR-V?
- Possible causes of P0118 in a 2021 Honda CR-V include a faulty engine coolant temperature sensor, a short circuit in the sensor circuit, a malfunctioning thermostat, or issues with the vehicle's wiring or connectors.
3. How serious is the P0118 code in a 2021 Honda CR-V?
- While the vehicle may still be drivable with the P0118 code, it is important to address the issue promptly to prevent potential damage to the engine or cooling system. Ignoring the code could lead to overheating and engine performance issues.
4. Can I continue driving my 2021 Honda CR-V with the P0118 code?
- It is not recommended to continue driving with the P0118 code present, as it can affect engine performance and lead to potential overheating issues. It is best to address the problem as soon as possible.
5. How can I diagnose and repair the P0118 code in my 2021 Honda CR-V?
- To diagnose and repair the P0118 code, you can start by checking the engine coolant level, inspecting the coolant temperature sensor and its wiring, testing the thermostat, and scanning for any other related issues in the cooling system.
6. Is it safe to clear the P0118 code in a 2021 Honda CR-V without fixing the underlying issue?
- Clearing the code without addressing the underlying problem is not recommended, as it will only temporarily turn off the check engine light. The issue causing the code will persist, potentially leading to more severe problems down the line.
7. Can a DIY enthusiast fix the P0118 code in a 2021 Honda CR-V?
- Depending on your mechanical skills and access to tools, you may be able to address the P0118 code yourself by replacing the coolant temperature sensor, checking and repairing any wiring issues, or testing the thermostat. However, if you're unsure, it's best to seek professional help.
8. How much does it typically cost to fix the P0118 code in a 2021 Honda CR-V?
- The cost of fixing the P0118 code can vary depending on the root cause of the issue. Replacing the coolant temperature sensor can cost between $50 to $200, while addressing wiring or thermostat problems may require additional labor and parts expenses.
9. Will the P0118 code in a 2021 Honda CR-V affect the vehicle's emissions or fuel efficiency?
- Yes, the P0118 code can impact the vehicle's emissions and fuel efficiency, as it can lead to improper engine temperature readings and affect the engine's overall performance. Resolving the issue promptly can help improve emissions and fuel economy.
10. How long does it typically take to repair the P0118 code in a 2021 Honda CR-V?
- The repair time for the P0118 code can vary depending on the root cause of the problem and the complexity of the fix. Simple fixes like replacing the coolant temperature sensor may take an hour or two, while more involved repairs could require a few hours or more.
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