P0335 on Hyundai Elantra
Crankshaft Position Sensor A Circuit
Methodology: Reviewed against the SAE J2012 generic DTC definition and NHTSA owner-complaint patterns, then scoped to Hyundai Elantra context without treating complaints as confirmed diagnoses.
Sources: SAE/OBD-II definitions, manufacturer service information, and public reliability reports (including NHTSA where applicable).
- SAE J2012 Diagnostic Trouble Code Definitions — Generic diagnostic trouble code definition reference for P0335.
- NHTSA recalls, complaints, and manufacturer communications — Used to check public owner complaint context, recall status, and safety-related manufacturer communications by VIN or vehicle.
Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.
What P0335 Means on Your Hyundai Elantra
P0335 is a diagnostic trouble code indicating: Crankshaft Position Sensor A Circuit. This code relates to the ignition system system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.
Real Hyundai Elantra Owner Reports
Source: NHTSA Complaints Database
"The car experienced (1) poor acceleration, (2) check engine light come on, (3) engine stalling, (4) Tachometer drops to zero. It was first found the MAP sensor was faulty. After the sensor was replaced, the car ran but stalled again intermittently."
"Engine Code: P0335 Crankshaft Position Sensor 'A' Circuit Severe Issue Consequences of Continued Driving - Rough running - possible Misfire - May not start In my case I was at work and it wouldn’t start at all. It ended up having to be towed."
All reports filed by vehicle owners directly with the U.S. Department of Transportation.
📊 Complaint Trend by Model Year
Common Causes on Hyundai Elantra
Based on NHTSA complaint component analysis for this vehicle.
What To Do Next
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1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
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2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50–$150) pinpoints the root cause before you spend money on parts.
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3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.