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TuningBot DTC Database · v4.37.15

P0389 Crankshaft Position Sensor B Circuit Intermittent

Generic (OBD-II) interpretation in the TuningBot DTC database.

P · PowertrainEngineOBD2

What P0389 means

P0389
Crankshaft Position Sensor B Circuit Intermittent Generic · engine Data confidence 90%

The control module detected an unstable or intermittent signal in the Crankshaft Position Sensor B circuit.

Possible causes

  • Wiring
  • poor connection
  • CKP sensor
  • ECM

Related and nearby codes

How to read P0389

P

Powertrain: engine, transmission and driveline systems.

0

Generic SAE-standard code: same meaning on every make.

389

Specific fault index within the subsystem.

Frequently asked questions about P0389

What does P0389 mean?

Crankshaft Position Sensor B Circuit Intermittent. The control module detected an unstable or intermittent signal in the Crankshaft Position Sensor B circuit.

Is P0389 generic or manufacturer-specific?

P0389 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P0389 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

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