P0328 BMW Code - Knock sensor 1 Circuit High Input
Quick Answer
The knock sensor is attached to the cylinder block. Common causes include Faulty knock sensor, Knock sensor circuit poor electrical connection, Knock sensor harness is open or shorted. 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 BMW indicates Knock sensor 1 Circuit High Input.
- Common causes
- Common causes include Faulty knock sensor, Knock sensor circuit poor electrical connection, Knock sensor harness is open or shorted.
- 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.
Code P0328 BMW Description
What are the Possible Causes of the DTC P0328 BMW?
- Faulty knock sensor
- Knock sensor circuit poor electrical connection
- Knock sensor harness is open or shorted
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0328 BMW?
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.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0328 BMW 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.
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Frequently Asked Questions about P0328 BMW Code
1. What are the common symptoms of OBDII code P0328 in a BMW related to the knock sensor?
The common symptoms include poor engine performance, engine knocking noises, hesitation during acceleration, and potential decrease in fuel efficiency.
2. What causes the OBDII code P0328 related to the knock sensor in a BMW?
The code P0328 is typically triggered by a knock sensor detecting a high input signal, which may be caused by a faulty knock sensor, wiring issues, or engine mechanical problems.
3. How can I diagnose the OBDII code P0328 in my BMW?
Diagnosing the code P0328 involves using a scan tool to retrieve the code, inspecting the knock sensor and its wiring for any damage, and testing the sensor's resistance and output voltage.
4. Can a faulty knock sensor cause other issues in my BMW besides triggering the OBDII code P0328?
Yes, a faulty knock sensor can lead to poor engine performance, increased emissions, and potential damage to the engine over time if not addressed promptly.
5. What are some repair tips for fixing the OBDII code P0328 related to the knock sensor in a BMW?
Repairing the code P0328 may involve replacing the knock sensor, repairing damaged wiring, addressing any underlying engine issues causing knocking, and clearing the code with a scan tool.
6. Is it safe to continue driving my BMW with the OBDII code P0328 triggered by the knock sensor issue?
It is not recommended to drive your BMW with the code P0328 active, as it can lead to engine performance issues and potentially cause further damage if left unresolved.
7. How much does it typically cost to repair the OBDII code P0328 related to the knock sensor in a BMW?
The cost of repairing the code P0328 can vary depending on the cause of the issue, but it may range from $150 to $400 for parts and labor.
8. Can I reset the OBDII code P0328 in my BMW without fixing the underlying issue with the knock sensor?
While you can clear the code using a scan tool, it is important to address the underlying issue with the knock sensor to prevent further problems and ensure proper engine performance.
9. Are there any preventive measures to avoid triggering the OBDII code P0328 related to the knock sensor in my BMW?
Regular maintenance of your BMW, including timely replacement of the knock sensor as recommended by the manufacturer, can help prevent issues leading to the code P0328.
10. How long does it typically take to repair the OBDII code P0328 caused by the knock sensor issue in a BMW?
The repair time for the code P0328 can vary depending on the extent of the issue and the availability of parts, but it may take a few hours to a full day for a professional mechanic to diagnose and fix the problem.
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