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P0108 2019 Honda CR-V Code - Manifold Absolute Pressure Sensor Circuit High Voltage

Quick Answer

The P0108 diagnostic trouble code (DTC) for a 2019 Honda CR-V indicates a problem with the Manifold Absolute Pressure (MAP) sensor circuit registering high voltage. Common causes include Faulty MAP Sensor: The most common cause of the P0108 code is a malfunctioning MAP sensor that is sending high voltage signals to the ECM, Wiring Issues: Damaged or corroded wiring in the MAP sensor circuit can lead to high voltage readings and trigger the code, Connector Problems: Loose or damaged connectors between the MAP sensor and the ECM can disrupt the signal and cause the high voltage issue. 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
P0108 2019 Honda CR-V indicates Manifold Absolute Pressure Sensor Circuit High Voltage.
Common causes
Common causes include Faulty MAP Sensor: The most common cause of the P0108 code is a malfunctioning MAP sensor that is sending high voltage signals to the ECM, Wiring Issues: Damaged or corroded wiring in the MAP sensor circuit can lead to high voltage readings and trigger the code, Connector Problems: Loose or damaged connectors between the MAP sensor and the ECM can disrupt the signal and cause the high voltage issue.
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 14, 2024
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Code P0108 2019 Honda CR-V Description

The P0108 diagnostic trouble code (DTC) for a 2019 Honda CR-V indicates a problem with the Manifold Absolute Pressure (MAP) sensor circuit registering high voltage. The MAP sensor plays a crucial role in the engine's operation by measuring the intake manifold pressure and providing this information to the engine control module (ECM). The ECM uses this data to calculate the air-fuel mixture for optimal engine performance and efficiency.

OBDII Code P0108 2019 Honda CR-V - Manifold Absolute Pressure Sensor Circuit High Voltage
P0108 2019 Honda CR-V Code - Manifold Absolute Pressure Sensor Circuit High Voltage

Common Causes of P0108 2019 Honda CR-V

  1. Faulty MAP Sensor: The most common cause of the P0108 code is a malfunctioning MAP sensor that is sending high voltage signals to the ECM.
  2. Wiring Issues: Damaged or corroded wiring in the MAP sensor circuit can lead to high voltage readings and trigger the code.
  3. Connector Problems: Loose or damaged connectors between the MAP sensor and the ECM can disrupt the signal and cause the high voltage issue.
  4. ECM Malfunction: In rare cases, a malfunctioning ECM can incorrectly interpret the signals from the MAP sensor, leading to the P0108 code.
  5. Vacuum Leaks: Any vacuum leaks in the intake manifold can affect the pressure readings taken by the MAP sensor, causing high voltage readings.

Symptoms of P0108 2019 Honda CR-V

  1. Check Engine Light: The most common symptom associated with the P0108 code is the illumination of the check engine light on the vehicle's dashboard.
  2. Poor Fuel Economy: A malfunctioning MAP sensor can lead to incorrect air-fuel ratios, resulting in decreased fuel efficiency.
  3. Rough Idling: The engine may experience rough idling or irregular RPMs when the MAP sensor is not functioning correctly.
  4. Engine Stalling: In severe cases, the engine may stall or have difficulty starting due to incorrect pressure readings from the MAP sensor.
  5. Reduced Engine Performance: The vehicle may exhibit a lack of power or reduced performance during acceleration or while driving.

How to Fix P0108 2019 Honda CR-V

  1. Diagnose the Issue: Use a scan tool to retrieve the DTC and perform a thorough inspection of the MAP sensor, wiring, and connectors to identify the root cause of the high voltage reading.
  2. Replace the MAP Sensor: If the sensor is found to be faulty, replace it with a new OEM or high-quality aftermarket MAP sensor to ensure accurate pressure readings.
  3. Repair Wiring/Connectors: Repair any damaged wiring or connectors in the MAP sensor circuit to restore proper signal transmission.
  4. Clear DTC and Test Drive: Clear the DTC from the ECM after completing the repairs and test drive the vehicle to ensure the issue has been resolved and the code does not return.
  5. Perform a Relearn Procedure: Some vehicles may require a relearn procedure for the ECM to recalibrate with the new MAP sensor readings. Follow the manufacturer's instructions for this process.

Cost to Fix P0108 2019 Honda CR-V

The typical repair costs for addressing the P0108 code on a 2019 Honda CR-V can vary depending on the specific cause of the issue and the labor rates in your area. Generally, replacing the MAP sensor can cost between $100 and $200, while repairing wiring or connectors may range from $50 to $150. The total repair cost, including parts and labor, could be in the range of $150 to $400. It is advisable to consult with a trusted mechanic or auto repair shop to obtain a more accurate estimate based on your vehicle's needs and location. Keep in mind that diagnostic time and labor rates can vary, so it's essential to inquire about these factors when seeking repair services.

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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 P0108 2019 Honda CR-V Code

1. What are the common symptoms of OBDII code P0108 in a 2019 Honda CR-V?

The common symptoms of OBDII code P0108 in a 2019 Honda CR-V include poor engine performance, reduced fuel efficiency, stalling or rough idling, and the illumination of the Check Engine Light.

2. What does the OBDII code P0108 "Manifold Absolute Pressure Sensor Circuit High Voltage" mean in a 2019 Honda CR-V?

The P0108 code indicates that the manifold absolute pressure (MAP) sensor circuit in the 2019 Honda CR-V is detecting a higher than normal voltage signal. This can lead to incorrect readings of the intake manifold pressure.

3. What are the possible causes of OBDII code P0108 in a 2019 Honda CR-V?

Possible causes of OBDII code P0108 in a 2019 Honda CR-V include a faulty MAP sensor, damaged wiring or connectors in the sensor circuit, a vacuum leak, or issues with the engine control module (ECM).

4. How can I diagnose the OBDII code P0108 in my 2019 Honda CR-V?

Diagnosing the OBDII code P0108 in a 2019 Honda CR-V involves using a scan tool to retrieve the trouble codes, testing the MAP sensor's voltage output, inspecting the sensor's wiring and connectors, and checking for any vacuum leaks in the system.

5. Can I continue driving my 2019 Honda CR-V with the OBDII code P0108?

It is not recommended to drive your 2019 Honda CR-V with the OBDII code P0108 present, as it can lead to further engine damage and potential safety issues. It's best to address the underlying cause of the code promptly.

6. How can I repair OBDII code P0108 in my 2019 Honda CR-V?

Repairing OBDII code P0108 in a 2019 Honda CR-V may involve replacing the faulty MAP sensor, repairing or replacing damaged wiring or connectors, fixing any vacuum leaks, or reprogramming the engine control module if necessary.

7. Is it possible to reset the OBDII code P0108 in a 2019 Honda CR-V without fixing the underlying issue?

While you can clear the trouble code with a scan tool, the Check Engine Light will likely reappear if the underlying issue causing the P0108 code is not addressed in your 2019 Honda CR-V.

8. How much does it cost to repair OBDII code P0108 in a 2019 Honda CR-V?

The cost of repairing OBDII code P0108 in a 2019 Honda CR-V can vary depending on the underlying cause, the necessary parts, labor costs, and if you choose to go to a dealership or an independent mechanic.

9. Can a DIY enthusiast fix OBDII code P0108 in a 2019 Honda CR-V?

Depending on your mechanical skills and access to tools, a DIY enthusiast may be able to address OBDII code P0108 in a 2019 Honda CR-V by replacing the MAP sensor, checking for wiring issues, and fixing vacuum leaks.

10. How often does OBDII code P0108 occur in a 2019 Honda CR-V?

OBDII code P0108 in a 2019 Honda CR-V can occur due to various factors, including sensor wear, electrical issues, or environmental conditions. Regular maintenance and prompt attention to any warning lights can help prevent this code from appearing frequently.

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