TorqueMech OBD Code Guide
P0386 - Crankshaft Position Sensor B Range/Performance
The ECM detected a crankshaft position sensor B range/performance fault.
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Code Overview
The ECM detected a crankshaft position sensor B range/performance fault.
Common Causes
- Failed crankshaft position sensor
- Damaged wiring or connector
- Reluctor or timing problem affecting the signal
Diagnostic Steps
- Inspect the sensor connector and harness
- Check RPM signal during crank and run
- Look for timing or reluctor issues if the signal is unstable
Related OBD Codes
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Next Steps
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