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P0118 2010 Nissan Rogue Code - Engine Coolant Temperature Sensor Circuit High

Quick Answer

The OBD-II trouble code P0118 for a 2010 Nissan Rogue indicates a problem with the Engine Coolant Temperature (ECT) sensor circuit. Common causes include Faulty ECT Sensor: The most common cause of the P0118 code is a malfunctioning ECT sensor that sends incorrect high voltage signals to the ECU, Wiring Issues: Damaged or corroded wiring connecting the ECT sensor to the ECU can lead to high voltage readings and trigger the code, Cooling System Problems: Issues such as low coolant levels, air pockets in the cooling system, or a malfunctioning thermostat can cause the engine to overheat and trigger the code. 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 Nissan Rogue indicates Engine Coolant Temperature Sensor Circuit High.
Common causes
Common causes include Faulty ECT Sensor: The most common cause of the P0118 code is a malfunctioning ECT sensor that sends incorrect high voltage signals to the ECU, Wiring Issues: Damaged or corroded wiring connecting the ECT sensor to the ECU can lead to high voltage readings and trigger the code, Cooling System Problems: Issues such as low coolant levels, air pockets in the cooling system, or a malfunctioning thermostat can cause the engine to overheat and trigger the code.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code P0118 2010 Nissan Rogue Description

The OBD-II trouble code P0118 for a 2010 Nissan Rogue indicates a problem with the Engine Coolant Temperature (ECT) sensor circuit. This sensor is responsible for monitoring the temperature of the engine coolant, which is crucial for the engine's performance and efficiency. When the ECT sensor detects a high voltage input, it triggers this code.

OBDII Code P0118 2010 Nissan Rogue - Engine Coolant Temperature Sensor Circuit High
P0118 2010 Nissan Rogue Code - Engine Coolant Temperature Sensor Circuit High

Common Causes of P0118 2010 Nissan Rogue

  1. Faulty ECT Sensor: The most common cause of the P0118 code is a malfunctioning ECT sensor that sends incorrect high voltage signals to the ECU.
  2. Wiring Issues: Damaged or corroded wiring connecting the ECT sensor to the ECU can lead to high voltage readings and trigger the code.
  3. Cooling System Problems: Issues such as low coolant levels, air pockets in the cooling system, or a malfunctioning thermostat can cause the engine to overheat and trigger the code.
  4. ECU Malfunction: In rare cases, a malfunctioning ECU can misinterpret the ECT sensor signals and trigger the code.
  5. Electrical Short: An electrical short in the ECT sensor circuit can also cause the high voltage readings and trigger the code.

Symptoms of P0118 2010 Nissan Rogue

  1. Check Engine Light: The most common symptom associated with the P0118 code is the illumination of the Check Engine Light on the dashboard.
  2. Engine Overheating: The engine may run hotter than usual due to the incorrect temperature readings from the ECT sensor.
  3. Poor Fuel Economy: Incorrect engine temperature readings can lead to poor fuel efficiency as the ECU may not adjust the fuel delivery accurately.
  4. Rough Idle: The engine may experience rough idling or stalling due to incorrect temperature signals affecting fuel delivery.
  5. Emissions Issues: The vehicle may fail emissions testing due to incorrect temperature readings affecting emission control systems.

How to Fix P0118 2010 Nissan Rogue

  1. Diagnose the Issue: Use an OBD-II scanner to retrieve the trouble code and perform a visual inspection of the ECT sensor and its wiring for any visible damage.
  2. Test the ECT Sensor: Check the ECT sensor's resistance with a multimeter to determine if it is functioning correctly.
  3. Inspect Wiring: Check the wiring connecting the ECT sensor to the ECU for any damage, corrosion, or loose connections.
  4. Replace ECT Sensor: If the sensor is faulty, replace it with a new one and ensure it is properly installed.
  5. Clear Codes: Once the repair is completed, clear the trouble codes using the OBD-II scanner to reset the Check Engine Light.

Cost to Fix P0118 2010 Nissan Rogue

The cost estimate for repairing the P0118 code on a 2010 Nissan Rogue can vary depending on the exact cause of the issue. Generally, the cost of a new ECT sensor ranges from $20 to $50, while labor costs can range from $80 to $150 per hour. The total repair cost could range from $100 to $300, including parts and labor. However, it is advisable to check with local auto repair shops for a more accurate estimate based on your specific location and vehicle. Remember that additional diagnostic time may be needed to pinpoint the exact cause of the issue, which could affect the overall repair cost.

What does this mean?

Tech Notes for P0118 2010 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.

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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 2010 Nissan Rogue Code

1. What are the common symptoms of OBDII code P0118 in a 2010 Nissan Rogue?

The common symptoms of code P0118 in a 2010 Nissan Rogue include engine overheating, rough idling, poor fuel economy, and the check engine light illuminating on the dashboard.

2. What does the OBDII code P0118 indicate in a 2010 Nissan Rogue?

Code P0118 in a 2010 Nissan Rogue indicates a problem with the Engine Coolant Temperature (ECT) sensor circuit reading that the coolant temperature is too high.

3. What are the possible causes of OBDII code P0118 in a 2010 Nissan Rogue?

Possible causes of code P0118 in a 2010 Nissan Rogue include a faulty ECT sensor, a short or open circuit in the sensor's wiring, a malfunctioning thermostat, or issues with the cooling system.

4. How can I diagnose the OBDII code P0118 in a 2010 Nissan Rogue?

To diagnose code P0118 in a 2010 Nissan Rogue, you can start by checking the ECT sensor's wiring for any damage, testing the sensor's resistance, inspecting the cooling system for leaks or blockages, and verifying the thermostat's operation.

5. Can I still drive my 2010 Nissan Rogue with OBDII code P0118?

It is not recommended to drive your 2010 Nissan Rogue with code P0118 as it can lead to engine overheating and potential damage. It is advisable to address the issue promptly.

6. How can I repair OBDII code P0118 in a 2010 Nissan Rogue?

Repairing code P0118 in a 2010 Nissan Rogue involves replacing the faulty ECT sensor, repairing any damaged wiring, ensuring proper thermostat function, and addressing any cooling system issues.

7. Will resetting the check engine light fix OBDII code P0118 in a 2010 Nissan Rogue?

Resetting the check engine light may temporarily clear the code, but it will not fix the underlying issue causing code P0118 in a 2010 Nissan Rogue. Proper diagnosis and repair are necessary.

8. Is OBDII code P0118 in a 2010 Nissan Rogue a serious problem?

Code P0118 in a 2010 Nissan Rogue should be taken seriously as it can lead to engine overheating and potential damage if left unresolved. It is important to address the issue promptly.

9. Can a DIY enthusiast fix OBDII code P0118 in a 2010 Nissan Rogue?

Depending on the DIY enthusiast's skill level, fixing code P0118 in a 2010 Nissan Rogue may be possible by following repair guides and using the right tools. However, professional assistance is recommended if unsure.

10. How much does it cost to repair OBDII code P0118 in a 2010 Nissan Rogue?

The cost to repair code P0118 in a 2010 Nissan Rogue can vary based on the root cause of the issue, parts needed for replacement, and labor costs. It is advisable to obtain quotes from reputable mechanics.

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