P0335

Crankshaft Position Sensor A Circuit

Severity: High Ignition System Generic Code

Detailed Description

The ECM is not receiving a valid signal from the crankshaft position sensor.

Possible Causes

Crankshaft position sensor damaged
Sensor signal wire open or shorted
Excessive gap between sensor and tone wheel
Tone wheel damaged or missing teeth
ECM fault.

Solutions & Repair Guide

This is a common cause of no-start conditions. Check sensor installation and gap; Measure sensor coil resistance (typically 800-1200 ohms); Use an oscilloscope to check the sensor output signal waveform; Inspect the tone wheel for damage.
Disclaimer: The information above is for reference only and does not constitute professional repair advice. Actual causes may vary depending on vehicle make, model, year, and configuration. Always consult a qualified technician for accurate diagnosis.