AutoCodes – Honda – P0328 2018 Honda CR-V

P0328 2018 Honda CR-V Code - Knock Sensor Circuit High Voltage

Quick Answer

The knock sensor is mounted on the engine block and detects engine knocking. Common causes include Faulty Knock Sensor, Knock Sensor harness is open or shorted, Knock 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: P0328 2018 Honda CR-V indicates Knock Sensor Circuit High Voltage.
Common causes: Common causes include Faulty Knock Sensor, Knock Sensor harness is open or shorted, Knock 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 502

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 Aug 17, 2023

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0328 2018 Honda CR-V Description

The knock sensor is mounted on the engine block and detects engine knocking. The vibrations caused by the knocking are converted into electrical signals through the piezo ceramic element. The Powertrain Control Module (PCM) controls the ignition timing based on the electrical signal. If the signal from the knock sensor is a specified voltage for a set time, the PCM detects a malfunction and stores a Diagnostic Trouble Code (DTC).

OBDII Code P0328 2018 Honda CR-V - Knock Sensor Circuit High Voltage - AutoCodes.com — P0328 2018 Honda CR-V Code - Knock Sensor Circuit High Voltage

What does this mean?

What are the Possible Causes of the DTC P0328 2018 Honda CR-V?

Faulty Knock Sensor
Knock Sensor harness is open or shorted
Knock Sensor circuit poor electrical connection
Faulty Powertrain Control Module (PCM)

How to Fix the DTC P0328 2018 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 P0328 2018 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 P0328 2018 Honda CR-V code?

Need more information on how to fix the P0328 2018 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 P0328 2018 Honda CR-V Code

1. What does the OBDII code P0328 mean on a 2018 Honda CR-V?

P0328 indicates a "Knock Sensor Circuit High Voltage," meaning the knock sensor is detecting a higher-than-expected voltage, which may signal an issue with the sensor or its circuit.

2. What are common symptoms of code P0328 in a 2018 Honda CR-V?

Symptoms may include reduced engine performance, poor fuel economy, a lit check engine light, and possible engine knocking under load.

3. What causes the P0328 code on a 2018 Honda CR-V?

Common causes include a faulty knock sensor, damaged sensor wiring, poor electrical connections, or an internal engine issue such as excessive knocking.

4. Can I drive my 2018 Honda CR-V with the P0328 code?

While it may be drivable, ignoring this code can lead to poor performance and potential engine damage. It's best to address the issue promptly.

5. How do you diagnose a P0328 code on a 2018 Honda CR-V?

Diagnosis typically includes checking the knock sensor and its wiring for damage, testing the sensor's voltage output with a multimeter, and inspecting engine conditions for abnormal knocking.

6. How do you fix the P0328 code in a 2018 Honda CR-V?

Repairs could include replacing the knock sensor, repairing damaged wiring or connectors, and addressing any underlying engine issues like detonation or pre-ignition.

7. Where is the knock sensor located on a 2018 Honda CR-V?

The knock sensor is usually located on the engine block, cylinder head, or intake manifold, where it can detect vibrations caused by engine knocking.

8. What is the cost to repair the P0328 code on a 2018 Honda CR-V?

Repair costs vary but generally range from $150 to $400, depending on whether the knock sensor or wiring needs replacement.

9. Can a bad knock sensor damage my 2018 Honda CR-V's engine?

A faulty knock sensor itself won't directly damage the engine, but if it fails to detect knocking, prolonged detonation can cause engine damage over time.

10. How do I prevent the P0328 code from occurring again?

Regular maintenance, using the correct fuel grade, and ensuring proper engine tuning can help prevent knock sensor issues and reduce the chance of this code reappearing.