P0335 Code (Crankshaft Position Sensor A Circuit Malfunction)


The crankshaft position sensor electronically communicates with the engine control unit of a vehicle. This sensor keeps track of the crankshaft position and rotation speed.

Once the engine control unit receives this information from the sensor, it will tell the fuel injector how much fuel to let into the internal combustion chamber.

It will also manage the timing of the ignition system so that the air and fuel mixture will ignite at the proper moment. These are all very important functions which allow the engine to perform and produce power for the vehicle.

What Does Code P0335 Mean?

If the crankshaft position sensor ever malfunctions or acts inappropriately, the engine control unit is going to detect this. Once it does, it will generate trouble code P0335.

In most vehicles, you will not be able to see this code directly on your dashboard. All you will see is a “Check Engine” warning light that will illuminate. Your engine control unit may activate a failsafe mode until you get the problem diagnosed and fixed.

The simplest way to verify that there is a problem with the crankshaft position sensor is to run a diagnostic check on the powertrain. It should produce trouble code P0335. That specifically refers to a problem with the crankshaft position sensor.

Symptoms of Code P0335

Aside from the Check Engine light activating on the dashboard, another symptom of trouble code P0335 is poor engine performance.

If you step on the gas pedal to accelerate your vehicle and it fails to pick up acceleration quickly, this could be one major symptom that you need to take seriously.

Another symptom may be bad fuel mileage. Eventually, your vehicle is going to stall if it continues at this rate.

Causes of Code P0335

A worn out or damaged crankshaft position sensor is the most obvious cause of trouble code P0335. If you have been in a car accident recently, it could have possibly damaged your crankshaft position sensor without you knowing.

In other cases, the electronic components of the sensor may have simply failed or gotten too old. Although this is not a common problem, it has been known to happen.

Other causes of trouble code P0335 could include signal plate damage, bad electrical connections, damaged timing belt, or a malfunctioning engine control unit.

These situations can cause the crankshaft to fail at its job, which is why trouble code P0335 might show up. Only a certified auto mechanic will be able to diagnose the exact cause.



Leave a Comment

This site uses Akismet to reduce spam. Learn how your comment data is processed.