P0385 Honda Code - Crankshaft Position Sensor 'B' No Signal
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
- P0385 Honda indicates Crankshaft Position Sensor 'B' No Signal.
- 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 P0385 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 P0385 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 P0385 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 P0385 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 P0385 Honda Code
What does the OBDII code P0385 mean on a Honda?
The P0385 code indicates a "Crankshaft Position Sensor 'B' No Signal," meaning the engine control module (ECM) is not receiving a signal from the crankshaft position sensor 'B'.
What are the symptoms of a P0385 code in a Honda?
Common symptoms include difficulty starting, engine stalling, rough idling, poor acceleration, and illuminated check engine light.
What causes the P0385 code to appear in a Honda?
Common causes include a faulty crankshaft position sensor 'B', damaged wiring or connectors, a failed reluctor ring, or an issue with the ECM.
Can I drive my Honda with a P0385 code?
Driving with a P0385 code can lead to engine misfires or stalling, which can be dangerous. It’s best to address the issue promptly.
How do I diagnose a P0385 code in a Honda?
Diagnosis typically involves checking the crankshaft position sensor 'B', inspecting wiring and connectors for damage, and testing the ECM for proper functionality.
What tools are needed to fix a P0385 code on a Honda?
You may need a scan tool, multimeter, wiring diagram, and basic hand tools to diagnose and repair the issue.
How much does it cost to fix a P0385 code on a Honda?
Repair costs vary but typically range from $150 to $300, depending on whether the sensor needs replacement or wiring repairs are required.
Can a bad battery cause a P0385 code in a Honda?
A weak or failing battery can cause electrical issues, but it’s unlikely to directly trigger a P0385 code. However, low voltage may contribute to sensor signal problems.
How is the crankshaft position sensor 'B' replaced on a Honda?
Replacement involves locating the sensor (usually near the crankshaft or timing cover), disconnecting the wiring harness, removing mounting bolts, and installing a new sensor.
What happens if I ignore a P0385 code on my Honda?
Ignoring the P0385 code can lead to worsening engine performance, potential stalling, and damage to other engine components over time.
Discuss the causes and fixes for P0385 Honda OBDII Code
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