P0118 2010 Honda Accord Code - Engine Coolant Temperature Sensor 1 Circuit High Voltage
Quick Answer
The Engine Coolant Temperature (ECT) sensor is used to detect the engine coolant temperature. Common causes include Low engine coolant level, Faulty Engine Coolant Temperature (ECT) sensor, Faulty engine coolant thermostat. 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 2010 Honda Accord indicates Engine Coolant Temperature Sensor 1 Circuit High Voltage.
- Common causes
- Common causes include Low engine coolant level, Faulty Engine Coolant Temperature (ECT) sensor, Faulty engine coolant thermostat.
- 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 2010 Honda Accord Description
What are the Possible Causes of the DTC P0118 2010 Honda Accord?
- Low engine coolant level
- Faulty Engine Coolant Temperature (ECT) sensor
- Faulty engine coolant thermostat
- Engine Coolant Temperature (ECT) sensor harness is open or shorted
- Engine Coolant Temperature (ECT) sensor electrical circuit poor connection
How to Fix the DTC P0118 2010 Honda Accord?
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 2010 Honda Accord 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 2010 Honda Accord code?
Need more information on how to fix the P0118 2010 Honda Accord code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0118 2010 Honda Accord code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0118 2010 Honda Accord Code
1. What are the common symptoms of OBDII code P0118 in a 2010 Honda Accord?
- Common symptoms include the engine running hot or overheating, a decrease in fuel efficiency, and the temperature gauge showing high readings.
2. What does the OBDII code P0118 on a 2010 Honda Accord indicate?
- The code P0118 indicates that the Engine Coolant Temperature Sensor 1 Circuit is registering a high voltage, suggesting a potential issue with the coolant temperature sensor.
3. What are the possible causes of OBDII code P0118 in a 2010 Honda Accord?
- Possible causes include a faulty engine coolant temperature sensor, a corroded or damaged sensor connector, a malfunctioning thermostat, or issues with the wiring or circuitry.
4. How can I diagnose the OBDII code P0118 in my 2010 Honda Accord?
- Diagnosing the issue involves checking the coolant level, inspecting the coolant temperature sensor and its wiring, testing the thermostat, and using a diagnostic scanner to read live data and pinpoint the problem.
5. Can I drive my 2010 Honda Accord with the OBDII code P0118?
- It is not recommended to drive your vehicle with the code P0118 as it can lead to engine overheating and potentially cause damage. It's best to address the issue promptly.
6. How can I repair OBDII code P0118 in my 2010 Honda Accord?
- Repairing the code can involve replacing the engine coolant temperature sensor, repairing or replacing damaged wiring or connectors, checking and possibly replacing the thermostat, and clearing the fault code.
7. Are there any DIY tips for fixing OBDII code P0118 in a 2010 Honda Accord?
- While some may attempt to replace the engine coolant temperature sensor themselves, it's recommended to have a professional diagnose and repair the issue to ensure proper installation and avoid further complications.
8. Will resetting the OBDII code P0118 fix the issue in my 2010 Honda Accord?
- Resetting the code may temporarily clear the warning light, but if the underlying issue causing the high voltage in the coolant temperature sensor persists, the code is likely to reappear.
9. How much does it typically cost to repair OBDII code P0118 in a 2010 Honda Accord?
- The cost of repairing the code can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor at a repair shop.
10. Can a faulty engine coolant temperature sensor cause other problems in a 2010 Honda Accord?
- Yes, a faulty engine coolant temperature sensor can lead to issues like poor engine performance, incorrect fuel mixture, overheating, and potential damage to engine components if left unaddressed.
Discuss the causes and fixes for P0118 2010 Honda Accord OBDII Code
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
