P0335: Crankshaft position sensor A circuit

The computer sees a fault in the crank sensor circuit. The driver may notice a no-start, stalling or a car that cuts out when hot.

Likely causes, most common first

  • Faulty crankshaft sensor
  • Damaged wiring or connector
  • Damaged reluctor ring
  • Oil on the sensor

Parts usually involved

  • Crankshaft position sensor
  • Sensor connector
  • Reluctor ring

Test before you replace

Check the signal with an oscilloscope or scan tool while cranking and test the wiring.

General guidance for generic OBD2 codes. Always follow the maker's procedure for the car in front of you.

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