P0455 on Infiniti vehicles A large leak in the evaporative emissions system — often a fuel cap left off
P0455 is named on 42 Infiniti model years (2016–2022): 119 manufacturer filings and 0 owner reports in NHTSA’s files, across Q50, Q70, QX60, Q60, QX30 and 4 more.
Which Infiniti model years name P0455
Source: NHTSA manufacturer communications and complaintsA 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.
Infiniti filings that name P0455
Source: NHTSA manufacturer communicationsBulletins and campaigns Infiniti filed with NHTSA whose summary names P0455. Quote the document number at the service desk — it is a diagnosis the maker has already written down.
- ITB13-044f Service bulletin2018-08-15 · Fuel System, Gasoline
- ALL MODEL YEAR 2012 AND NEWER INFINITI VEHICLES; EVAP LEAK DTC P0442, P0455, P0456 INFORMATION This bulletin has been amended. The publication date has been revised to include the latest models and model years, and the Service Procedure has been updated. Please discard previous versions of this bulletin.
- ITB13-044g Service bulletin2019-01-29 · Engine And Engine Cooling
- ALL MODEL YEAR 2012 AND NEWER INFINITI VEHICLES; EVAP LEAK DTC P0442, P0455, P0456 INFORMATION This bulletin has been amended. See Amendment History on the last page. Please discard previous versions of this bulletin.
- ITB13-044J Service bulletin2022-02-07 · Engine And Engine Cooling
- EVAP LEAK DTC P0442, P0455, P0456 INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
What P0455 means
Source: SAE J2012 / OBD-IIA large leak in the evaporative emissions system — often a fuel cap left off.
A stored code names the test that failed, never the part that caused it. The record above is what Infiniti and its owners have filed about it; the code’s page across every make has the whole file.
Common questions
Source: NHTSA files and the OBD-II standardIs P0455 a known problem on Infiniti vehicles?
It is a documented one: NHTSA's files hold 119 manufacturer filings and 0 owner reports naming P0455 on 42 Infiniti model years (2016–2022). 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 Infiniti models does P0455 appear on most?
2017 Q50 (6 documents), 2016 Q50 (6 documents), 2018 Q70 (6 documents).
Does P0455 on a Infiniti 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.