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P0117 2017 Honda CR-V Code - Engine Coolant Temperature Sensor 1 Circuit Low Voltage

Quick Answer

The P0117 diagnostic trouble code (DTC) for a 2017 Honda CR-V refers to the Engine Coolant Temperature Sensor 1 Circuit Low Voltage. Common causes include Faulty Engine Coolant Temperature Sensor: The most common cause of the P0117 code is a malfunctioning engine coolant temperature sensor, Wiring Issues: Damaged or corroded wiring connecting the sensor to the ECM can result in low voltage readings, Poor Electrical Connection: Loose or poor electrical connections at the sensor or ECM can cause voltage issues. 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
P0117 2017 Honda CR-V indicates Engine Coolant Temperature Sensor 1 Circuit Low Voltage.
Common causes
Common causes include Faulty Engine Coolant Temperature Sensor: The most common cause of the P0117 code is a malfunctioning engine coolant temperature sensor, Wiring Issues: Damaged or corroded wiring connecting the sensor to the ECM can result in low voltage readings, Poor Electrical Connection: Loose or poor electrical connections at the sensor or ECM can cause voltage issues.
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 17, 2024
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Code P0117 2017 Honda CR-V Description

The P0117 diagnostic trouble code (DTC) for a 2017 Honda CR-V refers to the Engine Coolant Temperature Sensor 1 Circuit Low Voltage. This code indicates that the engine coolant temperature sensor is sending a signal to the engine control module (ECM) that is lower than the expected voltage range. The engine coolant temperature sensor plays a crucial role in monitoring the temperature of the engine coolant, which is essential for the proper functioning of the engine. The sensor provides data to the ECM, allowing it to adjust fuel delivery, ignition timing, and other engine parameters to ensure optimal performance and fuel efficiency.

OBDII Code P0117 2017 Honda CR-V - Engine Coolant Temperature Sensor 1 Circuit Low Voltage
P0117 2017 Honda CR-V Code - Engine Coolant Temperature Sensor 1 Circuit Low Voltage

Common Causes of P0117 2017 Honda CR-V

  1. Faulty Engine Coolant Temperature Sensor: The most common cause of the P0117 code is a malfunctioning engine coolant temperature sensor.
  2. Wiring Issues: Damaged or corroded wiring connecting the sensor to the ECM can result in low voltage readings.
  3. Poor Electrical Connection: Loose or poor electrical connections at the sensor or ECM can cause voltage issues.
  4. Coolant Level: Low coolant levels or air pockets in the cooling system can affect the sensor's readings.
  5. ECM Malfunction: In rare cases, a malfunctioning ECM can also trigger the P0117 code.

Symptoms of P0117 2017 Honda CR-V

  1. Check Engine Light: The most common symptom associated with the P0117 code is the illumination of the check engine light on the vehicle's dashboard.
  2. Poor Fuel Economy: A faulty engine coolant temperature sensor can cause the engine to run rich or lean, leading to decreased fuel efficiency.
  3. Rough Idling: The engine may idle roughly or inconsistently due to incorrect temperature readings from the sensor.
  4. Hesitation During Acceleration: The vehicle may hesitate or stumble during acceleration as a result of improper engine adjustments.
  5. Engine Overheating: In severe cases, the engine coolant temperature sensor issue can lead to engine overheating, which may result in engine damage if not addressed promptly.

How to Fix P0117 2017 Honda CR-V

  1. Diagnose the Issue: Use a scan tool to retrieve the trouble code and perform a visual inspection of the engine coolant temperature sensor and its wiring.
  2. Replace the Engine Coolant Temperature Sensor: If the sensor is faulty, replace it with a new one following the manufacturer's guidelines.
  3. Check Wiring and Connections: Inspect the wiring harness for any damage or corrosion, and ensure all connections are secure.
  4. Clear the Code: After completing the repair, clear the trouble code from the ECM's memory using a scan tool.
  5. Test Drive: Take the vehicle for a test drive to ensure the issue has been resolved and the check engine light does not reappear.

Cost to Fix P0117 2017 Honda CR-V

The cost of repairing a P0117 code on a 2017 Honda CR-V can vary depending on the specific cause of the issue and the labor rates in your area. Typically, the price of a new engine coolant temperature sensor ranges from $20 to $50, while the cost of labor for this repair can range from $80 to $150 per hour. Therefore, the total repair cost for this issue may fall between $100 and $300, including parts and labor. It's advisable to contact local auto repair shops to get a more accurate estimate based on your location and vehicle specifics. Keep in mind that rates at dealerships or in metropolitan areas may be higher, while independent shops often offer more competitive prices.

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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 P0117 2017 Honda CR-V Code

1. What are the common symptoms of OBDII code P0117 on a 2017 Honda CR-V?

The common symptoms of OBDII code P0117 on a 2017 Honda CR-V include issues with the temperature gauge reading incorrectly, poor fuel economy, engine overheating, and potential difficulties starting the vehicle.

2. What causes the OBDII code P0117 on a 2017 Honda CR-V?

The OBDII code P0117 on a 2017 Honda CR-V is typically triggered by a malfunction in the Engine Coolant Temperature (ECT) sensor 1 circuit, which can be caused by a faulty ECT sensor, damaged wiring, or a corroded connector.

3. How can I diagnose the OBDII code P0117 on my 2017 Honda CR-V?

To diagnose the OBDII code P0117 on your 2017 Honda CR-V, you can use an OBDII scanner to check for the specific trouble code. Additionally, you can test the ECT sensor's resistance and inspect the sensor's wiring for any signs of damage.

4. Can I drive my 2017 Honda CR-V with the OBDII code P0117 present?

While it may be possible to drive your 2017 Honda CR-V with the OBDII code P0117, it is not recommended as it can lead to engine performance issues, potential overheating, and inaccurate temperature readings. It is best to address the issue promptly.

5. How do I repair the OBDII code P0117 on my 2017 Honda CR-V?

To repair the OBDII code P0117 on your 2017 Honda CR-V, you may need to replace the Engine Coolant Temperature (ECT) sensor, repair or replace any damaged wiring, and ensure that the sensor's connector is clean and secure.

6. Are there any DIY tips for fixing the OBDII code P0117 on a 2017 Honda CR-V?

If you have experience working on vehicles, you may attempt to replace the Engine Coolant Temperature (ECT) sensor yourself to address the OBDII code P0117 on your 2017 Honda CR-V. However, if you are unsure, it is best to consult a professional mechanic.

7. Will resetting the OBDII code P0117 on my 2017 Honda CR-V make it go away permanently?

Resetting the OBDII code P0117 on your 2017 Honda CR-V may temporarily turn off the check engine light, but if the underlying issue with the Engine Coolant Temperature (ECT) sensor is not fixed, the code is likely to reappear.

8. Can a faulty thermostat cause the OBDII code P0117 on a 2017 Honda CR-V?

While a faulty thermostat can cause issues with engine temperature regulation, it is not a common direct cause of the OBDII code P0117 on a 2017 Honda CR-V. The code is more likely related to a malfunction in the Engine Coolant Temperature (ECT) sensor circuit.

9. Is the OBDII code P0117 on a 2017 Honda CR-V a serious issue?

The OBDII code P0117 on a 2017 Honda CR-V should be addressed promptly to prevent potential engine damage, overheating, and performance issues. Ignoring the code could lead to more significant problems over time.

10. How much does it typically cost to repair the OBDII code P0117 on a 2017 Honda CR-V?

The cost to repair the OBDII code P0117 on a 2017 Honda CR-V can vary depending on the extent of the issue and whether you choose to do the repair yourself or take the vehicle to a professional mechanic. Costs may include parts and labor.

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