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P0117 2018 Honda CR-V Code - Engine Coolant Temperature Sensor 1 Circuit Low Voltage

Quick Answer

The P0117 diagnostic trouble code (DTC) for a 2018 Honda CR-V refers to the Engine Coolant Temperature Sensor 1 Circuit Low Voltage. Common causes include Faulty engine coolant temperature sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or contamination in the sensor connector. 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 2018 Honda CR-V indicates Engine Coolant Temperature Sensor 1 Circuit Low Voltage.
Common causes
Common causes include Faulty engine coolant temperature sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or contamination in the sensor connector.
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 2018 Honda CR-V Description

The P0117 diagnostic trouble code (DTC) for a 2018 Honda CR-V refers to the Engine Coolant Temperature Sensor 1 Circuit Low Voltage. This code indicates that the engine coolant temperature sensor is reporting a voltage signal that is lower than the normal operating range. The engine coolant temperature sensor is a crucial component that monitors the temperature of the engine coolant and sends this information to the engine control module (ECM). The ECM uses this data to adjust fuel delivery, ignition timing, and other engine functions to ensure optimal performance and efficiency.

OBDII Code P0117 2018 Honda CR-V - Engine Coolant Temperature Sensor 1 Circuit Low Voltage
P0117 2018 Honda CR-V Code - Engine Coolant Temperature Sensor 1 Circuit Low Voltage

Common Causes of P0117 2018 Honda CR-V

  1. Faulty engine coolant temperature sensor.
  2. Damaged wiring or connectors in the sensor circuit.
  3. Corrosion or contamination in the sensor connector.
  4. Malfunctioning ECM.
  5. Low engine coolant level.

Symptoms of P0117 2018 Honda CR-V

  1. Check engine light illuminated on the dashboard.
  2. Poor fuel economy.
  3. Rough idling or stalling.
  4. Hesitation during acceleration.
  5. Engine overheating.

How to Fix P0117 2018 Honda CR-V

  1. Begin by diagnosing the issue using a scan tool to retrieve the specific DTC and confirm the low voltage signal from the engine coolant temperature sensor.
  2. Inspect the wiring and connectors in the sensor circuit for any damage, corrosion, or contamination. Repair or replace any faulty components as needed.
  3. Test the engine coolant temperature sensor using a multimeter to ensure it is functioning correctly. Replace the sensor if it is faulty.
  4. Clear the DTC from the ECM's memory using the scan tool and test drive the vehicle to verify that the issue has been resolved.
  5. If the check engine light does not reappear and the vehicle operates normally, the repair process is complete.

Cost to Fix P0117 2018 Honda CR-V

The typical repair costs for addressing a P0117 code on a 2018 Honda CR-V can vary depending on the specific cause of the issue. In general, replacing a faulty engine coolant temperature sensor can cost between $50 and $150 for the part, with additional labor costs ranging from $80 to $150 per hour. The total repair cost may range from $150 to $300, but it is advisable to check with local auto repair shops for more accurate estimates based on your location and vehicle specifics. Keep in mind that diagnostic time and labor rates can vary, so it's essential to inquire about these factors when obtaining a repair quote.

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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 2018 Honda CR-V Code

1. What are the common symptoms of OBDII code P0117 in a 2018 Honda CR-V?

- Common symptoms include issues with the vehicle's fuel economy, engine performance, and temperature gauge readings. You may also notice the check engine light illuminated on the dashboard.

2. What can cause the OBDII code P0117 in a 2018 Honda CR-V?

- The most common cause of code P0117 is a malfunctioning Engine Coolant Temperature (ECT) sensor, which can be due to a faulty sensor, wiring issues, or a problem with the cooling system.

3. How does a low voltage in the Engine Coolant Temperature Sensor 1 circuit affect the 2018 Honda CR-V?

- A low voltage in the ECT sensor circuit can lead to incorrect readings of the engine coolant temperature, causing the vehicle's engine management system to operate inefficiently and potentially affecting fuel delivery and ignition timing.

4. Can I drive my 2018 Honda CR-V with OBDII code P0117?

- While it may be possible to drive the vehicle with code P0117, it is not recommended as it can result in poor engine performance, reduced fuel efficiency, and potential long-term damage to the engine.

5. How do I repair OBDII code P0117 in my 2018 Honda CR-V?

- To repair code P0117, start by inspecting the ECT sensor and its wiring for any visible damage or corrosion. If no issues are found, consider replacing the ECT sensor to resolve the low voltage circuit problem.

6. Can a DIY enthusiast fix OBDII code P0117 in a 2018 Honda CR-V?

- Depending on your experience and tools available, a DIY enthusiast may be able to diagnose and repair code P0117 by following repair guides, but it is recommended to consult a professional mechanic for accurate diagnosis and repair.

7. Will resetting the check engine light resolve OBDII code P0117 in a 2018 Honda CR-V?

- Resetting the check engine light may temporarily turn it off, but it will not fix the underlying issue causing code P0117. It is important to diagnose and repair the root cause to prevent further problems.

8. How much does it typically cost to repair OBDII code P0117 in a 2018 Honda CR-V?

- The cost of repairing code P0117 can vary based on the cause of the issue, but it generally ranges from $100 to $300, including parts and labor. Costs may be higher if additional repairs are needed.

9. Is it safe to continue driving the 2018 Honda CR-V with code P0117 unresolved?

- It is not recommended to drive the vehicle with code P0117 unresolved, as it can lead to engine performance issues and potential long-term damage. It is best to address the problem promptly to ensure the vehicle operates correctly.

10. How can I prevent OBDII code P0117 from occurring in my 2018 Honda CR-V in the future?

- To prevent code P0117 from occurring, regularly maintain your vehicle's cooling system, including timely replacement of the Engine Coolant Temperature sensor, and address any cooling system issues promptly to avoid sensor malfunctions.

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