P0335 - CRANKSHAFT POSITION SENSOR “A” CIRCUIT MALFUNCTION

POST UPDATED IN January, 2023

Description of DTC code P0335 Generic

The CKP sensor (Crankshaft Position Sensor) determines the position of the crankshaft, and then sends that information to the PCM (Powertrain Control Module). Taking into account the model of the vehicle, the PCM (Powertrain Control Module) can use this information to synchronize the spark correctly and, in other cases, detect misfiring.

The CKP sensor (Crankshaft Position Sensor) is stable and works in conjunction with a reluctor ring, which is attached to the crankshaft. The reluctor ring passes to the front of the CKP sensor and in this way an electromagnetic field is created. In turn, this magnetic field is interrupted by the CKP sensor to create a voltage signal in the form of a square wave, which the Power Train Control Module interprets as the position of the crankshaft.

In case the Powertrain Control Module detects that no crankshaft pulses are present or there are problems with the pulses in the output circuit, the DTC code P0335 OBD2 is set.

Symptoms of fault code P0335 Generic

  • Check Engine light on.
  • The vehicle may be not turning on.
  • The power of the engine is affected.
  • Bad fuel economy.

Causes of OBD2 P0335 Generic

The reasons why the diagnostic code P0335 OBDII can be established can be:

  • The Crankshaft Position Sensor (CKP) connector may be damaged.
  • Perhaps the reluctor ring is not rotating, or is defective.
  • The output of the Crankshaft Position Sensor (CKP) may be shorted to ground or voltage.
  • The timing belt may be defective.
  • CKP sensor defective.

Possible solutions of the DTC code P0335 Generic

The repairs necessary to solve the fault code P0335 OBD2 are:

  • Inspect the entire cable system for the Crankshaft Position Sensor (CKP), verify that they are in good condition. In case you find problems or defects, proceed to make repairs. If it is necessary to change any component, do it.
  • Check the condition of the motor timing belt, in case of damage, replace it.
  • Change the CKP sensor.

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