OBD-II TROUBLE CODE GUIDE
P0335: Crankshaft Position Sensor A Circuit
The crankshaft-position signal needed for ignition and fuel timing is missing or unreliable.
What P0335 means
The crankshaft-position signal needed for ignition and fuel timing is missing or unreliable.
Common possible causes
- Sensor or wiring failure
- Damaged tone ring
- Timing or mechanical problem
What to check first
Record all stored and pending codes and freeze-frame data before clearing anything. Inspect relevant wiring, connectors, hoses, fluid levels, and obvious damage. Use vehicle-specific service information and test the affected system before purchasing parts.
A code is not a parts order. Several faults can create the same code, and replacing the component named in a code description may not correct the underlying problem.
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