P0335 Chevrolet Silverado 1500
Crankshaft Position Sensor A Circuit Malfunction · Powertrain Code · Critical · Repair: Moderate
What is P0335?
The crankshaft position sensor circuit has a malfunction. Engine may crank but not start, or stall intermittently.
When the Chevrolet Silverado 1500 triggers code P0335 (crankshaft position sensor a circuit malfunction), it typically points to an issue in the powertrain system. This is a critical severity code, so address it promptly to avoid further damage or safety concerns. Below you'll find the most common causes, symptoms, and repair options specific to the Chevrolet Silverado 1500.
This repair is rated moderate, meaning some experience and specialty tools required.
Diagnostic data on this page is compiled from publicly available repair resources and technical service bulletins. Always have a qualified mechanic confirm the diagnosis before authorizing repairs on your Chevrolet Silverado 1500.
Common Causes on Chevrolet Silverado 1500
- Failed crankshaft position (CKP) sensor
- Damaged reluctor wheel on the crankshaft (rare)
- CKP sensor wiring harness damage or connector corrosion
- Excessive crankshaft endplay causing inconsistent signal gap
Symptoms
- Check Engine Light on
- Engine stalls or dies unexpectedly
- Hard starting or no-start condition
- Engine cranks but will not fire
- Intermittent stalling at idle
Notes for Chevrolet Silverado 1500
The CKP sensor on GM trucks is usually located at the front or rear of the crankshaft and is accessible from underneath — a relatively straightforward replacement.