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P0111 2018 Honda CR-V Code - Intake Air Temperature Sensor 1 Circuit Range/Performance Problem

Quick Answer

The P0111 diagnostic trouble code (DTC) for a 2018 Honda CR-V refers to an issue with the Intake Air Temperature (IAT) Sensor 1 Circuit Range/Performance. Common causes include Faulty IAT Sensor: The sensor itself may be malfunctioning, providing incorrect temperature readings to the ECU, Wiring Issues: Damaged or corroded wiring connecting the IAT sensor to the ECU can disrupt the sensor's signal, Poor Electrical Connection: Loose or poor electrical connections at the sensor or ECU can lead to erratic readings. 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
P0111 2018 Honda CR-V indicates Intake Air Temperature Sensor 1 Circuit Range/Performance Problem.
Common causes
Common causes include Faulty IAT Sensor: The sensor itself may be malfunctioning, providing incorrect temperature readings to the ECU, Wiring Issues: Damaged or corroded wiring connecting the IAT sensor to the ECU can disrupt the sensor's signal, Poor Electrical Connection: Loose or poor electrical connections at the sensor or ECU can lead to erratic readings.
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 P0111 2018 Honda CR-V Description

The P0111 diagnostic trouble code (DTC) for a 2018 Honda CR-V refers to an issue with the Intake Air Temperature (IAT) Sensor 1 Circuit Range/Performance. The IAT sensor is a crucial component of the engine management system, as it measures the temperature of the air entering the engine. This information is used by the engine control unit (ECU) to adjust the air-fuel mixture for optimal combustion and performance.

OBDII Code P0111 2018 Honda CR-V - Intake Air Temperature Sensor 1 Circuit Range/Performance Problem
P0111 2018 Honda CR-V Code - Intake Air Temperature Sensor 1 Circuit Range/Performance Problem

Common Causes of P0111 2018 Honda CR-V

  1. Faulty IAT Sensor: The sensor itself may be malfunctioning, providing incorrect temperature readings to the ECU.
  2. Wiring Issues: Damaged or corroded wiring connecting the IAT sensor to the ECU can disrupt the sensor's signal.
  3. Poor Electrical Connection: Loose or poor electrical connections at the sensor or ECU can lead to erratic readings.
  4. Intake Air Leaks: Any leaks in the intake system can affect the IAT sensor's readings and trigger the P0111 code.
  5. ECU Malfunction: In rare cases, a malfunctioning ECU may incorrectly interpret the IAT sensor's signal and trigger the code.

Symptoms of P0111 2018 Honda CR-V

  1. Check Engine Light: The most obvious symptom of a P0111 code is the illumination of the check engine light on the vehicle's dashboard.
  2. Reduced Fuel Efficiency: A faulty IAT sensor can lead to improper fuel mixture, causing decreased fuel efficiency.
  3. Rough Idle: The engine may experience rough idling or fluctuations in RPM due to incorrect air-fuel mixture.
  4. Hesitation or Stalling: The vehicle may hesitate or stall during acceleration, especially under load, if the air-fuel mixture is not adjusted properly.

How to Fix P0111 2018 Honda CR-V

  1. Diagnostic Testing: Begin by conducting diagnostic tests to confirm the P0111 code and pinpoint the exact cause of the issue.
  2. Inspect IAT Sensor: Check the IAT sensor for any visible damage or signs of malfunction. Replace the sensor if necessary.
  3. Check Wiring: Inspect the wiring harness for any damage, corrosion, or loose connections. Repair or replace as needed.
  4. Clear Codes: Once the issue is resolved, clear the codes from the ECU memory and perform a test drive to ensure the problem is fixed.
  5. Verify Repair: After driving the vehicle, re-scan for codes to ensure the P0111 code does not reappear.

Cost to Fix P0111 2018 Honda CR-V

The cost of repairing a P0111 code on a 2018 Honda CR-V can vary depending on the specific cause of the issue and the labor rates of the repair shop. On average, the cost of replacing an IAT sensor ranges from $50 to $150, while addressing wiring issues or electrical connections may require additional labor costs. Overall, the total repair cost for this issue could range from $100 to $300, including parts and labor.

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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 P0111 2018 Honda CR-V Code

1. What are the common symptoms of OBDII code P0111 in a 2018 Honda CR-V?

The common symptoms of OBDII code P0111 in a 2018 Honda CR-V include poor engine performance, rough idling, decreased fuel efficiency, and potential issues with the vehicle's overall drivability.

2. What does the OBDII code P0111 indicate in a 2018 Honda CR-V?

OBDII code P0111 in a 2018 Honda CR-V indicates an Intake Air Temperature Sensor 1 Circuit Range/Performance Problem. It means the signal from the intake air temperature sensor is not within the expected range or is performing outside the acceptable parameters.

3. What are the possible causes of OBDII code P0111 in a 2018 Honda CR-V?

The possible causes of OBDII code P0111 in a 2018 Honda CR-V include a faulty intake air temperature sensor, damaged wiring or connectors related to the sensor, issues with the sensor's circuitry, or a problem with the engine control module (ECM).

4. How can I diagnose the OBDII code P0111 in my 2018 Honda CR-V?

To diagnose OBDII code P0111 in a 2018 Honda CR-V, you can use an OBDII scanner to retrieve the trouble codes and perform a visual inspection of the intake air temperature sensor and its wiring. Additionally, testing the sensor's resistance and voltage output can help pinpoint the issue.

5. Can I continue driving my 2018 Honda CR-V with OBDII code P0111?

It is not recommended to drive your 2018 Honda CR-V with OBDII code P0111 for an extended period. While the vehicle may still be operable, ignoring the issue can lead to further damage and potential engine performance problems. It's advisable to address the underlying cause promptly.

6. How can I repair OBDII code P0111 in my 2018 Honda CR-V?

To repair OBDII code P0111 in a 2018 Honda CR-V, you may need to replace the intake air temperature sensor if it is faulty. Check and repair any damaged wiring or connectors related to the sensor, and ensure the sensor is properly connected and functioning correctly.

7. Does resetting the check engine light clear OBDII code P0111 in a 2018 Honda CR-V?

Resetting the check engine light may temporarily clear the OBDII code P0111 in a 2018 Honda CR-V, but the underlying issue causing the code will still persist. It's important to diagnose and address the root cause of the problem to prevent the code from reoccurring.

8. Are there any DIY tips for troubleshooting OBDII code P0111 in a 2018 Honda CR-V?

Some DIY tips for troubleshooting OBDII code P0111 in a 2018 Honda CR-V include checking the sensor's wiring for any visible damage, ensuring the sensor is clean and free of debris, and using a multimeter to test the sensor's resistance and voltage output.

9. How much does it cost to fix OBDII code P0111 in a 2018 Honda CR-V at a mechanic?

The cost to fix OBDII code P0111 in a 2018 Honda CR-V at a mechanic can vary depending on the exact cause of the issue, the labor rates, and the cost of parts. On average, the repair cost can range from $100 to $300, but it's best to obtain a quote from a trusted mechanic.

10. Can a faulty intake air temperature sensor cause other issues in a 2018 Honda CR-V besides triggering OBDII code P0111?

Yes, a faulty intake air temperature sensor in a 2018 Honda CR-V can cause other issues besides triggering OBDII code P0111. It can lead to poor engine performance, incorrect air-fuel mixture, decreased fuel efficiency, and potential drivability issues due to inaccurate temperature readings affecting the engine's operation.

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