Engine-Codes.com
Engine-Codes – Scion – P0328 2005 Scion xB

P0328 2005 Scion xB Code - Knock Sensor 1 Circuit High Input

Quick Answer

The P0328 diagnostic trouble code (DTC) for a 2005 Scion xB indicates that there is a high input signal detected from Knock Sensor 1 Circuit. Common causes include Faulty knock sensor, Wiring issues in the knock sensor circuit, Malfunctioning ECM. 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 2005 Scion xB indicates Knock Sensor 1 Circuit High Input.
Common causes
Common causes include Faulty knock sensor, Wiring issues in the knock sensor circuit, Malfunctioning ECM.
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 17, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P0328 2005 Scion xB Description

The P0328 diagnostic trouble code (DTC) for a 2005 Scion xB indicates that there is a high input signal detected from Knock Sensor 1 Circuit. The knock sensor is a crucial component in the engine management system that detects abnormal combustion, often referred to as engine knock or detonation. When the knock sensor detects these abnormal vibrations, it sends a signal to the engine control module (ECM) to adjust the ignition timing to prevent engine damage.

OBDII Code P0328 2005 Scion xB - Knock Sensor 1 Circuit High Input
P0328 2005 Scion xB Code - Knock Sensor 1 Circuit High Input

Common Causes of P0328 2005 Scion xB

  1. Faulty knock sensor
  2. Wiring issues in the knock sensor circuit
  3. Malfunctioning ECM
  4. Engine overheating
  5. Poor quality fuel

Symptoms of P0328 2005 Scion xB

  1. Reduced engine power
  2. Poor fuel economy
  3. Engine misfires
  4. Rough idling
  5. Hesitation during acceleration

How to Fix P0328 2005 Scion xB

  1. Diagnose the exact cause of the high input signal by performing a thorough inspection of the knock sensor, wiring, and ECM.
  2. Replace the knock sensor if it is found to be faulty.
  3. Repair any damaged wiring in the knock sensor circuit.
  4. Test the ECM for proper functioning and replace if necessary.
  5. Clear the DTC and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0328 2005 Scion xB

The typical repair costs for addressing a P0328 code in a 2005 Scion xB can vary depending on the specific cause of the issue. Generally, replacing a knock sensor can cost between $150 and $250, while diagnosing and repairing wiring issues or replacing the ECM can increase the total cost. Including parts and labor, the total repair cost could range from $200 to $500. It is important to note that labor rates at auto repair shops can vary, so it is advisable to check local rates for a more accurate estimate.

What does this mean?

Tech Notes for P0328 2005 Scion xB

The P0327 code means that the Knock Sensor is not working properly. Replacing the knock sensor usually takes care of the problem.

When is the Code Detected?

An excessively high voltage from the sensor is sent to Electronic Control Module (ECM)

Need more information about the P0328 2005 Scion xB code?

Need more information on how to fix the P0328 2005 Scion xB code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0328 2005 Scion xB code diagnosed by a professional: Find a repair shop in your area

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 2005 Scion xB Code

1. What are the common symptoms of OBDII code P0328 in a 2005 Scion xB?

The common symptoms of OBDII code P0328 (Knock Sensor 1 Circuit High Input) in a 2005 Scion xB may include engine knocking or pinging noises, decrease in fuel efficiency, and potential engine misfires.

2. What is the primary cause of OBDII code P0328 in a 2005 Scion xB?

The primary cause of OBDII code P0328 in a 2005 Scion xB is typically a faulty knock sensor or issues with the knock sensor circuit, leading to a high input signal being detected by the engine control module.

3. How can I diagnose the OBDII code P0328 in my 2005 Scion xB?

Diagnosing OBDII code P0328 in a 2005 Scion xB involves using a diagnostic scanner to retrieve the fault code, inspecting the knock sensor and its wiring for damage or corrosion, and testing the sensor's resistance and voltage output.

4. Can a bad knock sensor cause other problems in a 2005 Scion xB?

Yes, a bad knock sensor in a 2005 Scion xB can lead to issues such as reduced engine performance, increased emissions, and potential damage to the engine if left unresolved.

5. How can I repair OBDII code P0328 in my 2005 Scion xB?

Repairing OBDII code P0328 in a 2005 Scion xB typically involves replacing the faulty knock sensor, ensuring proper wiring connections, and clearing the fault code from the engine control module using a diagnostic scanner.

6. Are there any DIY tips for addressing OBDII code P0328 in a 2005 Scion xB?

While replacing the knock sensor in a 2005 Scion xB can be done as a DIY project, it is recommended to consult the vehicle's service manual for specific instructions and consider seeking professional help if unsure.

7. Can I drive my 2005 Scion xB with OBDII code P0328?

It is not recommended to drive a 2005 Scion xB with OBDII code P0328 (Knock Sensor 1 Circuit High Input) for an extended period as it can lead to potential engine damage and reduced performance.

8. How much does it cost to repair OBDII code P0328 in a 2005 Scion xB?

The cost of repairing OBDII code P0328 in a 2005 Scion xB can vary depending on the location, labor rates, and the price of the knock sensor, but it typically ranges from $150 to $400.

9. Will resetting the OBDII code P0328 in my 2005 Scion xB make it go away permanently?

Resetting the OBDII code P0328 in a 2005 Scion xB may temporarily clear the fault code, but if the underlying issue with the knock sensor or its circuit is not addressed, the code is likely to reappear.

10. How long does it take to repair OBDII code P0328 in a 2005 Scion xB?

The repair time for OBDII code P0328 in a 2005 Scion xB can vary depending on the mechanic's expertise and availability of parts, but it typically takes around 1-2 hours to replace the knock sensor and reset the fault code.

Discuss the causes and fixes for P0328 2005 Scion xB OBDII Code

Submit a New Comment

Code P0328 2005 Scion xB comments

No comments found for this page.