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Diagnostic trouble code · Honda

P0306 on Honda vehicles Cylinder 6 is misfiring

P0306 is named on 5 Honda model years (2016–2019): 0 manufacturer filings and 6 owner reports in NHTSA’s files, across Pilot, Odyssey, Ridgeline.

Powertrain 5 model years 6 owner reports

Which Honda model years name P0306

Source: NHTSA manufacturer communications and complaints
Model yearFiled underBulletinsOwner reports
2019 Honda PilotFuel/Propulsion System—2
2019 Honda OdysseyEngine—1
2017 Honda PilotEngine—1
2017 Honda RidgelineEngine—1
2016 Honda PilotEngine—1

A model year is listed because the code is named in its own record — a bulletin filed against it, or an owner’s complaint about it — not because every one of these vehicles sets it. Counts are documents in NHTSA’s files, not failure rates.

Engine 4 Fuel/Propulsion System 2
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What Honda owners said

Source: NHTSA complaint database

Owners’ own words, scrubbed of anything identifying. Unverified reports filed with NHTSA — what was said, not a finding that it was true.

​Condition: The vehicle must display a Malfunction Indicator Light (Check Engine Light) with specific stored fuel-system error codes (such as P0300 through P0306, P0420, P0430, P219A, or P219B)
2019 Honda Pilot Jun 26, 2026 NHTSA owner report
2025 the dealer scanned the vehicle and found codes p0301, p0302, p0303, p0306 cylinder 1 2 3 and 6 misfires
2019 Honda Odyssey Nov 22, 2025 NHTSA owner report

What P0306 means

Source: SAE J2012 / OBD-II

Cylinder 6 is misfiring.

A stored code names the test that failed, never the part that caused it. The record above is what Honda and its owners have filed about it; the code’s page across every make has the whole file.

From here

Common questions

Source: NHTSA files and the OBD-II standard

Is P0306 a known problem on Honda vehicles?

It is a documented one: NHTSA's files hold 0 manufacturer filings and 6 owner reports naming P0306 on 5 Honda model years (2016–2019). Whether it is a problem on one particular car is a diagnosis, not a count — but a bulletin that names the code on your model year is the place to start.

Which Honda models does P0306 appear on most?

2019 Pilot (2 documents), 2019 Odyssey (1 document), 2017 Pilot (1 document).

Does P0306 on a Honda mean it is recalled?

No. Recalls are filed by campaign and matched by VIN; no recall is triggered by a scan tool. Check the VIN at nhtsa.gov/recalls, or open the model year's page here for the campaigns filed against it.