AutoCodes – Honda – P0463 2020 Honda CR-V

P0463 2020 Honda CR-V Code - Fuel Level Sensor Circuit High Voltage

Quick Answer

The Fuel Level Sensor (Fuel Gauge Sending Unit) is incorporated into the fuel pump and installed in the fuel tank. Common causes include Faulty Fuel Level Sensor (Fuel Gauge Sending Unit), Fuel Level Sensor harness is open or shorted, Fuel Level 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: P0463 2020 Honda CR-V indicates Fuel Level Sensor Circuit High Voltage.
Common causes: Common causes include Faulty Fuel Level Sensor (Fuel Gauge Sending Unit), Fuel Level Sensor harness is open or shorted, Fuel Level 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 240

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Dec 19, 2023

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0463 2020 Honda CR-V Description

The Fuel Level Sensor (Fuel Gauge Sending Unit) is incorporated into the fuel pump and installed in the fuel tank. Using a built-in potentiometer and float, it converts the movement of the float to electrical signals as an output that corresponds to fuel level variations in the fuel tank. The fuel level, which is indicated by the gauge control module, is sent to the Powertrain Control Module (PCM) via the Controller Area Network (CAN). If the received voltage information from the gauge control module is high or low for a set time, the PCM detects a malfunction and stores a Diagnostic Trouble Code (DTC).

OBDII Code P0463 2020 Honda CR-V - Fuel Level Sensor Circuit High Voltage - AutoCodes.com — P0463 2020 Honda CR-V Code - Fuel Level Sensor Circuit High Voltage

What does this mean?

What are the Possible Causes of the DTC P0463 2020 Honda CR-V?

Faulty Fuel Level Sensor (Fuel Gauge Sending Unit)
Fuel Level Sensor harness is open or shorted
Fuel Level Sensor circuit poor electrical connection
Faulty Powertrain Control Module (PCM)

How to Fix the DTC P0463 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 does this mean?

Code Tech Notes

Low fuel level can trigger this code. Before replacing any parts try filling up the fuel tank and erasing the engine code. If the problem persists it may be necessary to replace the fuel level sensor.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0463 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 P0463 2020 Honda CR-V code?

Need more information on how to fix the P0463 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 P0463 2020 Honda CR-V Code

1. What does the OBDII code P0463 mean on a 2020 Honda CR-V?

P0463 indicates a "Fuel Level Sensor Circuit High Voltage," meaning the fuel level sensor is reporting a voltage reading higher than expected.

2. What are the common symptoms of code P0463 on a 2020 Honda CR-V?

Symptoms may include an erratic or inaccurate fuel gauge, the fuel gauge stuck on full or empty, and potentially an illuminated check engine light.

3. What causes the P0463 code to appear on a 2020 Honda CR-V?

Common causes include a faulty fuel level sensor, damaged wiring or connectors in the fuel level sensor circuit, or a malfunctioning fuel pump module.

4. Can I still drive my 2020 Honda CR-V with a P0463 code?

Yes, but driving with this code may result in inaccurate fuel level readings, increasing the risk of running out of fuel unexpectedly.

5. How do I diagnose the P0463 code on a 2020 Honda CR-V?

Start by checking the wiring and connectors for damage or corrosion, inspect the fuel level sensor, and use a multimeter to test the sensor circuit voltage.

6. How do I fix the P0463 code on a 2020 Honda CR-V?

Repairs may involve replacing the fuel level sensor, repairing damaged wiring or connectors, or replacing the fuel pump module if it's integrated with the sensor.

7. How much does it cost to fix the P0463 code on a 2020 Honda CR-V?

Repair costs can vary but typically range from $150-$400 for parts and labor, depending on whether the issue is with the sensor, wiring, or fuel pump module.

8. Can a P0463 code cause poor fuel economy on a 2020 Honda CR-V?

No, the P0463 code itself does not affect fuel economy, but inaccurate fuel gauge readings can make it harder to monitor fuel usage.

9. Does the P0463 code always mean the fuel level sensor is bad?

Not necessarily. The code could also be caused by wiring issues, a poor electrical connection, or a problem with the fuel pump module.

10. Can a low battery cause a P0463 code on a 2020 Honda CR-V?

While unlikely, electrical issues caused by a weak or low battery could potentially impact sensor readings. Itâ€™s best to check the battery voltage as part of the diagnostic process.