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P0387 - Crankshaft Position Sensor B Circuit Low

P0387 is a generic powertrain diagnostic trouble code indicating Crankshaft Position Sensor B Circuit Low. It relates to the Ignition System / Misfire system.

DTC Breakdown (SAE J2012)

Facts for code P0387
SystemPowertrain (P)
TypeGeneric
SubsystemIgnition System / Misfire
Fault Index87
StandardSAE J2012 / ISO 15031-6

What does diagnostic code P0387 mean?

The dtc/">diagnostic trouble code P0387 represents Crankshaft Position Sensor B Circuit Low. This standard generic code points to a monitored fault condition in the vehicle's Powertrain network.

Detailed diagnostic guides and specific fix procedures for code P0387 are currently being compiled. Always verify check engine warnings with a qualified mechanic.

🔗 Related Diagnostic Codes

Often diagnosed alongside:

Frequently Asked Questions about P0387

What does P0387 mean?

The diagnostic trouble code P0387 represents Crankshaft Position Sensor B Circuit Low. This standard generic code points to a monitored fault condition in the vehicle's Powertrain network.

What is the system for P0387?

The P0387 code is located in the vehicle's Powertrain network.

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