What does code P0388 mean?
High signal detected from CKP B sensor
OBD-II Code
P0388 — Crankshaft Position Sensor B High Input
High signal detected from CKP B sensor
Common symptoms
- Engine hesitation
- stalling
Possible causes
- Short to voltage
- faulty CKP B sensor
Initial recommendation
Inspect wiring, measure voltage and replace sensor.
Safety notice
This information is for guidance only and does not replace a physical vehicle inspection or diagnosis by a qualified mechanic. If the vehicle has severe power loss, smoke, a fuel odor, overheating, brake or steering problems, or any unsafe behavior, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine code P0388 with your vehicle's actual symptoms for more complete diagnostic guidance.
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