P0385

Crankshaft Position Sensor B Circuit Malfunction

Severity: High Ignition System Generic OBD-II Code Est. Repair: $120 - $350

High severity. Avoid long drives and get diagnosed as soon as possible. Flashing check engine light = stop driving if safe.

Quick Answer

P0385 means “Crankshaft Position Sensor B Circuit Malfunction.” Severity: High. Estimated repair cost: $120 - $350. Most common sign: Hard starting.

What Does P0385 Mean?

Second crankshaft position sensor (some engines use two) circuit fault.

Common Symptoms

Hard starting
Intermittent stalling
CEL

Possible Causes

Faulty sensor
Damaged tone ring
Wiring issue

How to Fix P0385 – Repair Guide

Inspect tone ring
Test sensor
Replace as needed
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Budgeting for This Repair?

A typical P0385 repair runs about $120 - $350. If you'd rather spread the cost over time, estimate the payment with our free sister tool: Car Finance Calculator (50-state sales tax, trade-in equity, full amortization).

Recommended OBD2 Scanners & Tools

To read and clear this code yourself, you need a reliable OBD2 scanner. Here are top-rated options:

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ANCEL AD310 Classic Enhanced OBD2 Scanner

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FIXD Bluetooth OBD2 Scanner

Simple plug-and-play sensor that explains codes in plain English via free app. Ideal for first-time users.

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Disclaimer: Information is for educational reference only and does not replace professional diagnosis. Actual causes and costs vary by vehicle make, model, year and condition. Always verify with a qualified technician.