P0306 on Honda Odyssey
Cylinder 6 Misfire Detected
Methodology: Reviewed against the SAE J2012 generic DTC definition and NHTSA owner-complaint patterns, then scoped to Honda Odyssey 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 Honda Odyssey
P0306 is a diagnostic trouble code indicating: Cylinder 6 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 Honda Odyssey Owner Reports
Source: NHTSA Complaints Database
"On 2/22/2017, my wife was driving vehicle, suddenly hesitates and stalls. proceeds to the nearest vehicle service location (not a honda dealer). technician evaluates codes (all misfires - p0304, p0305, p0306 & p0300). informs wife of piston/engine recall and service bulletins."
"We bought this van new and twice since owning it-once in 2019 at 5,418 miles and this month (November 2025) at 136,947 miles-we have been driving down the interstate with a van full of people, when without any previous warning, suddenly multiple warning lights come on all at once (the check engine l"
"On June 16, 2023 When I got in my van and turned on, about 8 different system failure lights started singing and light up across my dashboard. I proceeded to drive it and it drove fine most of the time but then it would misfire or loose power."
All reports filed by vehicle owners directly with the U.S. Department of Transportation.
📊 Complaint Trend by Model Year
Common Causes on Honda Odyssey
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.