P0301 on Hyundai Tucson
Cylinder 1 Misfire Detected
Methodology: Reviewed against the SAE J2012 generic DTC definition and NHTSA owner-complaint patterns, then scoped to Hyundai Tucson 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 P0301.
- 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 P0301 Means on Your Hyundai Tucson
P0301 is a diagnostic trouble code indicating: Cylinder 1 Misfire Detected. 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 Tucson Owner Reports
Source: NHTSA Complaints Database
"The contact owns a 2015 Hyundai Tucson. The contact stated that the engine was seized. The contact was unaware if any warning lights were illuminated. The vehicle was towed to the local dealer and the mechanic retrieved fault codes: P0014, P0300, P0301, and P0441."
"My daughter was driving on expressway the vehicle suddenly lost power. Vehicle began to shudder and became difficult to steer and control. On board diagnostic codes P0300 & P0301. Towed vehicle to my independent mechanic."
All reports filed by vehicle owners directly with the U.S. Department of Transportation.
📊 Complaint Trend by Model Year
Common Causes on Hyundai Tucson
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.