P0389
Crankshaft Position Sensor B Circuit Intermittent
P0389 is an OBD-II diagnostic trouble code meaning: Crankshaft Position Sensor B Circuit Intermittent. Common causes: damage to the wiring or sensor connector, short to ground or open circuit. Estimated repair cost: $56–222.
Symptoms
- Rough engine operation
- Misfires
- Problems starting the engine
- Increased fuel consumption
- Check Engine Light Illuminates
Causes
- Damage to the wiring or sensor connector
- Short to ground or open circuit
- Faulty crankshaft position sensor
- Problems with the engine control unit (ECU)
- Damage to the crankshaft toothed disc
How to Fix
- Check the integrity of the sensor wiring and connectors
- Test the resistance and output of the sensor
- Check the condition of the crankshaft toothed disc
- Replace the faulty sensor if necessary
- Reflash or replace the ECU as a last resort
Related codes
Error P0389 by Vehicle Brand
FAQ
What does the P0389 code mean?
P0389 is an OBD-II diagnostic trouble code that indicates: Crankshaft Position Sensor B Circuit Intermittent
What causes a P0389 error code?
The most common causes of P0389 include: Damage to the wiring or sensor connector; Short to ground or open circuit; Faulty crankshaft position sensor; Problems with the engine control unit (ECU).
How do I fix a P0389 diagnostic trouble code?
To fix P0389: Check the integrity of the sensor wiring and connectors. Test the resistance and output of the sensor. Check the condition of the crankshaft toothed disc. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0389?
Limited driving only, diagnose soon
How much does it cost to fix P0389?
The estimated repair cost for P0389 is $56–222. Actual cost depends on your vehicle, location, and labor rates.
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