P0306 on CHRYSLER PACIFICA
Cylinder 6 Misfire Detected
Methodology: Reviewed against the SAE J2012 generic DTC definition and NHTSA owner-complaint patterns, then scoped to Chrysler Pacifica 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 P0306.
- 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 P0306 Means on Your CHRYSLER PACIFICA
P0306 is a diagnostic trouble code indicating: Cylinder 6 Misfire Detected. This code relates to the ignition system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.
Real CHRYSLER PACIFICA Owner Reports
Source: NHTSA Complaints Database
"44110 miles. NO leaks, oil change every 2500 miles, all fluids are full and well maintained. Hard shift sometimes while in drive and accelerating. Engine light just came on yesterday with wife and 4 kids in vehicle, then engine light flashing. Pacifica felt sluggish and engine was rough."
"Started the vehicle, no prior issues. The check engine light came on, code was P0306. Cylinder 6 misfire. Found out the head gasket blew causing coolant to get into the cylinder. I had literally ZERO issues, no overheating, etc...I bought the car brand new in '17 and has around 85k miles."
"The 2019 Chrysler Pacifica limited with 3.6l Pentastar engine had a check engine light come around 90,000 miles. The vehicle would suddenly lose acceleration power without warning, especially while getting onto the freeway. It was found that there is a known issue with the 3.2 and 3."
"Engine failure; engine light P0306 error, cylinder 6 head gasket blown. Mileage 62k, Year 2019. Yes, vehicle is available for inspection upon request."
All reports filed by vehicle owners directly with the U.S. Department of Transportation.
📊 Complaint Trend by Model Year
Common Causes on CHRYSLER PACIFICA
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.