P219B on Infiniti vehicles
P219B is named on 9 Infiniti model years (2016–2019): 11 manufacturer filings and 0 owner reports in NHTSA’s files, across QX60, Q50, QX80.
Which Infiniti model years name P219B
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports |
|---|---|---|---|
| 2017 Infiniti QX60 | Electrical System | 2 | — |
| 2016 Infiniti QX60 | Electrical System | 2 | — |
| 2019 Infiniti Q50 | Electrical System | 1 | — |
| 2019 Infiniti QX60 | Electrical System | 1 | — |
| 2019 Infiniti QX80 | Electrical System | 1 | — |
| 2018 Infiniti QX60 | Electrical System | 1 | — |
| 2018 Infiniti QX80 | Electrical System | 1 | — |
| 2017 Infiniti QX80 | Electrical System | 1 | — |
| 2016 Infiniti QX80 | Electrical System | 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.
Infiniti filings that name P219B
Source: NHTSA manufacturer communicationsBulletins and campaigns Infiniti filed with NHTSA whose summary names P219B. Quote the document number at the service desk — it is a diagnosis the maker has already written down.
- ITB19-006 Service bulletin2019-03-04 · Electrical System
- INFINITI; MIL ON WITH DTC P219A AND/OR P219B STORED SERVICE INFORMATION If the MIL is ON and DTC P219A (AIR FUEL RATIO IMBALANCE B1) and/or P219B (AIR FUEL RATIO IMBALANCE B2) is stored: - DO NOT replace the Air Fuel Ratio (A/F) sensor. - Refer to the applicable Electronic Service Manual (ESM) and follow the diagnostic procedure for DTC P219A and/or P219B.
What P219B means
Source: SAE J2012 / OBD-IIP219B sits in the generic range of the OBD-II standard, so it means the same thing on every vehicle sold in the United States — but WhichTrim does not carry a definition for it and will not invent one. What is on this page is the record: who named it and on what.
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 P219B a known problem on Infiniti vehicles?
It is a documented one: NHTSA's files hold 11 manufacturer filings and 0 owner reports naming P219B on 9 Infiniti 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 Infiniti models does P219B appear on most?
2017 QX60 (2 documents), 2016 QX60 (2 documents), 2019 Q50 (1 document).
Does P219B 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.