Engine-CodesNissan – P0118 2009 Nissan Rogue

P0118 2009 Nissan Rogue Code - Engine Coolant Temperature Sensor Circuit High

Quick Answer

The P0118 code on a 2009 Nissan Rogue indicates a problem with the Engine Coolant Temperature (ECT) Sensor Circuit being too high. Common causes include Faulty Engine Coolant Temperature (ECT) sensor, Damaged or corroded wiring/connectors, ECM malfunction. 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 2009 Nissan Rogue indicates Engine Coolant Temperature Sensor Circuit High.
Common causes
Common causes include Faulty Engine Coolant Temperature (ECT) sensor, Damaged or corroded wiring/connectors, ECM malfunction.
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.
Table of contents Created and updated by William Orellana on Sep 08, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P0118 2009 Nissan Rogue Description

The P0118 code on a 2009 Nissan Rogue indicates a problem with the Engine Coolant Temperature (ECT) Sensor Circuit being too high. This sensor is responsible for measuring the temperature of the engine coolant and sending this information to the engine control module (ECM). The ECM uses this data to adjust fuel injection timing, ignition timing, and other engine parameters to ensure optimal performance and fuel efficiency.

OBDII Code P0118 2009 Nissan Rogue - Engine Coolant Temperature Sensor Circuit High
P0118 2009 Nissan Rogue Code - Engine Coolant Temperature Sensor Circuit High

Common Causes of P0118 2009 Nissan Rogue

  1. Faulty Engine Coolant Temperature (ECT) sensor
  2. Damaged or corroded wiring/connectors
  3. ECM malfunction
  4. Coolant leak or low coolant level
  5. Thermostat stuck closed

Symptoms of P0118 2009 Nissan Rogue

  1. Check Engine Light illuminated
  2. Engine running hot or overheating
  3. Poor fuel economy
  4. Rough idle or stalling
  5. Reduced engine performance

How to Fix P0118 2009 Nissan Rogue

  1. Start by diagnosing the issue using a scan tool to confirm the P0118 code and check the ECT sensor's resistance and voltage readings.
  2. Inspect the wiring and connectors for any damage or corrosion. Repair or replace as needed.
  3. Test the thermostat to ensure it is functioning correctly. Replace if necessary.
  4. Replace the Engine Coolant Temperature (ECT) sensor if it is found to be faulty.
  5. Clear the trouble codes and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0118 2009 Nissan Rogue

The cost of repairing a P0118 code on a 2009 Nissan Rogue can vary depending on the specific cause of the issue. Typically, the cost of a new Engine Coolant Temperature (ECT) sensor ranges from $20 to $100, while the cost of a thermostat can range from $15 to $50. Labor costs will also vary, but on average, you can expect to pay between $100 and $300 for the repair at a professional auto repair shop. Keep in mind that these estimates are rough averages and actual costs may differ based on your location and the specific parts and labor rates in your area.

Tech Notes for P0118 2009 Nissan Rogue

If the coolant level is not low and thermostat is not stuck open or closed replacing the Engine Coolant Temperature (ECT) sensor should take care of the problem.

When is the Code Detected?

An excessively high voltage from the sensor is sent to ECM.

Need more information about the P0118 2009 Nissan Rogue code?

Need more information on how to fix the P0118 2009 Nissan Rogue code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0118 2009 Nissan Rogue code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0118 2009 Nissan Rogue Code

1. What does OBDII code P0118 on a 2009 Nissan Rogue mean?

The code P0118 indicates an issue with the Engine Coolant Temperature (ECT) sensor circuit, specifically a high voltage reading.

2. What are the common symptoms of a P0118 code in a Nissan Rogue?

Common symptoms include the engine running hotter than normal, poor fuel economy, a decrease in engine performance, and the Check Engine light illuminating on the dashboard.

3. What are the possible causes of a P0118 code in a 2009 Nissan Rogue?

Potential causes include a faulty ECT sensor, a short or open circuit in the ECT sensor wiring, a malfunctioning engine control module (ECM), or low coolant levels.

4. How can I diagnose the issue causing the P0118 code on my Nissan Rogue?

Diagnosing the problem involves checking the ECT sensor's resistance using a multimeter, inspecting the sensor's wiring for damage, and verifying the coolant level in the system.

5. Can I still drive my Nissan Rogue with a P0118 code?

It is not recommended to drive the vehicle with a P0118 code, as it can lead to engine overheating and potential damage. It is best to address the issue promptly.

6. How can I repair a P0118 code on my 2009 Nissan Rogue?

Repairing the P0118 code typically involves replacing the faulty ECT sensor, repairing any damaged wiring, and clearing the code using an OBDII scanner.

7. Is it possible to reset the P0118 code on a Nissan Rogue without fixing the underlying issue?

While you can clear the code using an OBDII scanner, the Check Engine light is likely to come back on if the root cause of the P0118 code is not addressed.

8. How much does it cost to fix a P0118 code on a 2009 Nissan Rogue?

The cost of fixing a P0118 code can vary depending on the cause of the issue, but it typically ranges from $100 to $300 for parts and labor.

9. What are the long-term effects of ignoring a P0118 code in a Nissan Rogue?

Ignoring a P0118 code can lead to engine overheating, which may cause more severe damage to the engine components and result in costly repairs.

10. How can I prevent the P0118 code from recurring in my Nissan Rogue?

Regular maintenance, such as checking and replacing the coolant as needed, inspecting the ECT sensor and wiring for damage, and addressing any cooling system issues promptly, can help prevent the P0118 code from reoccurring.

Discuss the causes and fixes for P0118 2009 Nissan Rogue OBDII Code

Code P0118 2009 Nissan Rogue comments

No comments found for this page.