P015B on Subaru vehicles
P015B is named on 7 Subaru model years (2016–2019): 7 manufacturer filings and 0 owner reports in NHTSA’s files, across Forester, WRX.
Which Subaru model years name P015B
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports |
|---|---|---|---|
| 2019 Subaru WRX | Engine | 1 | — |
| 2018 Subaru Forester | Engine | 1 | — |
| 2018 Subaru WRX | Electrical System | 1 | — |
| 2017 Subaru Forester | Engine | 1 | — |
| 2017 Subaru WRX | Electrical System | 1 | — |
| 2016 Subaru Forester | Electrical System | 1 | — |
| 2016 Subaru WRX | 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.
Subaru filings that name P015B
Source: NHTSA manufacturer communicationsBulletins and campaigns Subaru filed with NHTSA whose summary names P015B. Quote the document number at the service desk — it is a diagnosis the maker has already written down.
- 09-78-21 Service bulletin2021-07-30 · Engine And Engine Cooling
- This bulletin announces the availability of Engine Control Module (ECM) reprograming files to correct DTC P015A and/or P015B.
What P015B means
Source: SAE J2012 / OBD-IIP015B 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 Subaru 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 P015B a known problem on Subaru vehicles?
It is a documented one: NHTSA's files hold 7 manufacturer filings and 0 owner reports naming P015B on 7 Subaru 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 Subaru models does P015B appear on most?
2018 Forester (1 document), 2017 Forester (1 document), 2016 Forester (1 document).
Does P015B on a Subaru 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.