P1384 Code - Knock Sensor 3 Circuit
Quick Answer
P1384 indicates Knock Sensor 3 Circuit. Common causes include Faulty Knock Sensor 3, Knock Sensor 3 harness is open or shorted, Knock Sensor 3 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
- P1384 indicates Knock Sensor 3 Circuit.
- Common causes
- Common causes include Faulty Knock Sensor 3, Knock Sensor 3 harness is open or shorted, Knock Sensor 3 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.
Code P1384 Description
What are the Possible Causes of the DTC P1384?
- Faulty Knock Sensor 3
- Knock Sensor 3 harness is open or shorted
- Knock Sensor 3 circuit poor electrical connection
How to Fix the DTC P1384?
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 P1384 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 P1384 code?
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Get the P1384 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- P1384 BMW — Knock Sensor 3 Circuit
- P1384 Mercedes-Benz — Knock Sensor Circuit Bank 2
Frequently Asked Questions about P1384 Code
1. What are common symptoms of OBDII code P1384 (Knock Sensor 3 Circuit)?
- Common symptoms include engine knocking or pinging noise, reduced engine performance, and potentially increased fuel consumption.
2. What can cause the OBDII code P1384 (Knock Sensor 3 Circuit) to trigger?
- Possible causes include a faulty knock sensor, wiring issues in the knock sensor circuit, or a problem with the engine control module (ECM).
3. How serious is OBDII code P1384 (Knock Sensor 3 Circuit)?
- While the code itself may not cause immediate serious issues, it is important to address it promptly to prevent potential damage to the engine over time.
4. How can I diagnose the cause of OBDII code P1384 (Knock Sensor 3 Circuit)?
- Diagnosis typically involves using a scan tool to read the code, testing the knock sensor and related wiring for continuity, and checking the ECM for any faults.
5. Is it safe to continue driving with OBDII code P1384 (Knock Sensor 3 Circuit) present?
- It is generally not recommended to drive with this code active, as it can lead to engine performance issues and potentially cause further damage if left unresolved.
6. Can I repair OBDII code P1384 (Knock Sensor 3 Circuit) myself?
- Depending on your mechanical skills, you may be able to replace the knock sensor or repair the wiring yourself. However, if you are unsure, it is best to consult a professional mechanic.
7. Are there any temporary fixes for OBDII code P1384 (Knock Sensor 3 Circuit)?
- Temporary fixes such as clearing the code using a scan tool may temporarily eliminate the warning light, but the underlying issue will still need to be addressed for a permanent solution.
8. How much does it typically cost to repair OBDII code P1384 (Knock Sensor 3 Circuit)?
- The cost of repair can vary depending on the exact cause of the issue, but you can expect to pay for parts such as a new knock sensor and potentially labor costs if done at a repair shop.
9. Can a faulty knock sensor cause other problems in the vehicle?
- Yes, a faulty knock sensor can lead to decreased engine performance, reduced fuel efficiency, and potentially cause damage to the engine if not addressed promptly.
10. How can I prevent OBDII code P1384 (Knock Sensor 3 Circuit) from recurring in the future?
- Regular maintenance of the engine, including checking the knock sensor and related wiring for any signs of wear or damage, can help prevent this code from recurring.
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