OBD-II FAULT CODE
P0385

Crankshaft Position Sensor B Circuit Malfunction

Meaning, symptoms, likely causes, diagnostic checks and repair guidance for P0385.

PowertrainSystem
Engine timing / positionCategory
HighSeverity
  • Check Engine light
  • Poor drivability or reduced fuel economy depending on fault
  • No-start, rough running, limp mode or poor power possible
  • Faulty cam/crank sensor
  • Oil level/quality issue
  • VVT solenoid fault
  • Timing chain/belt issue
  • Wiring fault
  • Scan all modules and record freeze-frame data before clearing codes
  • Check battery voltage and related fuses
  • Check oil level/condition
  • Inspect sensor/solenoid connectors
  • Compare cam/crank correlation with scan data
  • Repair wiring or replace confirmed failed sensor/solenoid
  • Investigate mechanical timing if correlation faults remain
Need more help?

Search manuals, wiring diagrams and technical service bulletins.

Not sure what to do next?
Get step-by-step instructions and professional repair information.
Disclaimer: Information is provided for general guidance only and may not apply to all vehicles. Always consult a qualified technician.