AutoCodes – Honda – P0108 2020 Honda CR-V

P0108 2020 Honda CR-V Code - Manifold Absolute Pressure Sensor Circuit High Voltage

Quick Answer

The Manifold Absolute Pressure (MAP) Sensor measures the pressure or vacuum in the manifold. Common causes include Faulty Manifold Absolute Pressure (MAP) Sensor, Manifold Absolute Pressure Sensor harness is open or shorted, Manifold Absolute Pressure Sensor circuit poor electrical connection. 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 2020 Honda CR-V indicates Manifold Absolute Pressure Sensor Circuit High Voltage.
Common causes: Common causes include Faulty Manifold Absolute Pressure (MAP) Sensor, Manifold Absolute Pressure Sensor harness is open or shorted, Manifold Absolute Pressure Sensor circuit poor electrical connection.
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.

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Code Popularity 288

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 31, 2023

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0108 2020 Honda CR-V Description

The Manifold Absolute Pressure (MAP) Sensor measures the pressure or vacuum in the manifold. This measurement is converted into an electrical signal which the Powertrain Control Module (PCM) uses to monitor the engine. The MAP Sensor outputs low signal voltage at high vacuum (throttle valve closed) and high signal voltage at low vacuum (throttle valve wide open). If the signal voltage from the MAP sensor falls below or exceeds a set value for a specified time, the PCM detects a malfunction and stores a Diagnostic Trouble Code (DTC).

OBDII Code P0108 2020 Honda CR-V - Manifold Absolute Pressure Sensor Circuit High Voltage - AutoCodes.com — P0108 2020 Honda CR-V Code - Manifold Absolute Pressure Sensor Circuit High Voltage

What does this mean?

What are the Possible Causes of the DTC P0108 2020 Honda CR-V?

Faulty Manifold Absolute Pressure (MAP) Sensor
Manifold Absolute Pressure Sensor harness is open or shorted
Manifold Absolute Pressure Sensor circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P0108 2020 Honda CR-V?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0108 2020 Honda CR-V code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P0108 2020 Honda CR-V code?

Need more information on how to fix the P0108 2020 Honda CR-V code? Get Access to Factory Service Manuals

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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 2020 Honda CR-V Code

1. What does the OBDII code P0108 indicate on a 2020 Honda CR-V?

The P0108 code on a 2020 Honda CR-V indicates that the Manifold Absolute Pressure (MAP) sensor is sending a higher voltage signal than expected, suggesting it might be malfunctioning or there's an issue in the circuit.

2. What are common symptoms of the P0108 code in a 2020 Honda CR-V?

Symptoms of the P0108 code can include poor fuel economy, rough idling, engine hesitation or stalling, and the Check Engine Light coming on.

3. What could cause the P0108 code to appear on my 2020 Honda CR-V?

Possible causes for the P0108 code include a faulty MAP sensor, wiring issues like short circuits or frayed wires, or problems with the electrical connectors that link to the MAP sensor.

4. How can I fix the P0108 code on my 2020 Honda CR-V?

To fix the P0108 code, you could need to replace the MAP sensor, repair any damaged wires or connectors in the MAP sensor circuit, or ensure the sensor is correctly installed and clean.

5. Is it safe to drive my 2020 Honda CR-V with the P0108 code?

While you can technically still drive your vehicle, it's advisable to address the P0108 code promptly as it can lead to engine performance issues, potentially leaving you stranded or causing further damage to the vehicle.

6. How do I test the MAP sensor in my 2020 Honda CR-V if I suspect it's causing the P0108 code?

Testing the MAP sensor typically involves checking the voltage output with a voltmeter to ensure it matches the specifications in the vehicleâ€™s service manual, or using a scan tool to observe the sensor's output while the engine is running.

7. Could the P0108 code affect the fuel economy of my 2020 Honda CR-V?

Yes, a malfunctioning MAP sensor can lead to incorrect air-fuel mixture adjustments, which in turn can decrease fuel efficiency.

8. What tools do I need to diagnose the P0108 code on a 2020 Honda CR-V?

To diagnose the P0108 code, you will need an OBDII scanner to read the code and monitor sensor data, and possibly a digital multimeter to check the MAP sensorâ€™s voltage output and continuity in the wiring.