P0389 Honda Code - Crankshaft Position Sensor 'B' Intermittent Interruption
Quick Answer
The Crankshaft position sensor also known as the crank position sensor is an electronic device used in an engine to record the rate at which the crankshaft is spinning. Common causes include Faulty crankshaft position sensor, Crankshaft position sensor harness is open or shorted, Crankshaft position 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
- P0389 Honda indicates Crankshaft Position Sensor 'B' Intermittent Interruption.
- Common causes
- Common causes include Faulty crankshaft position sensor, Crankshaft position sensor harness is open or shorted, Crankshaft position 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.
Code P0389 Honda Description
When the engine is running, the high and low parts of the teeth cause the gap with the sensor to change. The changing gap causes the magnetic field near the sensor to change. The change in the magnetic field cause the voltage from the sensor to change.
What are the Possible Causes of the DTC P0389 Honda?
- Faulty crankshaft position sensor
- Crankshaft position sensor harness is open or shorted
- Crankshaft position sensor circuit poor electrical connection
- Signal plate may be damage
- Starter motor may be faulty
- Starting system circuit
- Dead or weak battery
How to Fix the DTC P0389 Honda?
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 P0389 Honda 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 P0389 Honda Code
1. What are common symptoms of OBDII code P0389 in a Honda related to the Crankshaft Position Sensor 'B' Intermittent Interruption?
- Common symptoms include engine stalling, rough idling, difficulty starting the vehicle, and poor acceleration.
2. What are potential causes of OBDII code P0389 related to the Crankshaft Position Sensor 'B' in a Honda?
- Possible causes can include a faulty crankshaft position sensor, damaged wiring or connectors, issues with the sensor's circuit, or a problem with the engine control module (ECM).
3. How can I diagnose OBDII code P0389 in my Honda when it is related to the Crankshaft Position Sensor 'B'?
- Diagnosis typically involves using a scan tool to retrieve the trouble code, checking the sensor's wiring and connectors for any damage, and testing the sensor's output using a multimeter.
4. Is it safe to continue driving my Honda with OBDII code P0389 related to the Crankshaft Position Sensor 'B'?
- It is not recommended to drive the vehicle with this code present, as it can lead to potential engine performance issues and further damage if left unresolved.
5. Can I repair OBDII code P0389 in my Honda related to the Crankshaft Position Sensor 'B' on my own?
- While it is possible to replace the crankshaft position sensor yourself, diagnosing and repairing this issue may require some technical knowledge and tools. It is best to seek professional help if you are unsure.
6. Are there any tips for preventing OBDII code P0389 related to the Crankshaft Position Sensor 'B' in my Honda from recurring?
- To prevent recurrence, make sure to use a high-quality replacement sensor, properly secure the wiring and connectors, and regularly inspect the sensor and its components for any signs of wear or damage.
7. How much does it typically cost to repair OBDII code P0389 related to the Crankshaft Position Sensor 'B' in a Honda?
- The cost of repair can vary depending on the cause of the issue, the labor rates in your area, and whether you choose to replace the sensor yourself or have a mechanic do the job. It is recommended to obtain estimates from local repair shops.
8. Can a faulty crankshaft position sensor cause other OBDII codes to trigger in a Honda?
- Yes, a malfunctioning crankshaft position sensor can potentially cause other related codes to trigger, such as P0335 (Crankshaft Position Sensor 'A' Circuit) or P0336 (Crankshaft Position Sensor 'A' Performance).
9. How urgent is it to address OBDII code P0389 in a Honda related to the Crankshaft Position Sensor 'B'?
- It is important to address this issue promptly to prevent potential engine damage or safety hazards while driving. Ignoring the problem can lead to further complications.
10. Does resetting the OBDII system clear OBDII code P0389 related to the Crankshaft Position Sensor 'B' in a Honda?
- Resetting the system may temporarily clear the code, but if the underlying issue with the crankshaft position sensor is not fixed, the code is likely to reappear after driving the vehicle for a certain distance or time.
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