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TuningBot DTC Database · v4.37.15

P0388 Crankshaft Position Sensor B Circuit High Input

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

P · PowertrainEngineOBD2

What P0388 means

P0388
Crankshaft Position Sensor B Circuit High Input Generic · engine Data confidence 90%

The control module detected that the signal in the Crankshaft Position Sensor B circuit stayed above the expected operating range.

Possible causes

  • Wiring short to positive
  • CKP sensor
  • ECM

Related and nearby codes

How to read P0388

P

Powertrain: engine, transmission and driveline systems.

0

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

388

Specific fault index within the subsystem.

Frequently asked questions about P0388

What does P0388 mean?

Crankshaft Position Sensor B Circuit High Input. The control module detected that the signal in the Crankshaft Position Sensor B circuit stayed above the expected operating range.

Is P0388 generic or manufacturer-specific?

P0388 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P0388 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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