P015B on Cadillac vehicles
P015B is named on 11 Cadillac model years (2016–2019): 50 manufacturer filings and 0 owner reports in NHTSA’s files, across ATS, CT6, CTS.
Which Cadillac model years name P015B
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports |
|---|---|---|---|
| 2016 Cadillac ATS | Engine | 6 | — |
| 2016 Cadillac CT6 | Engine | 6 | — |
| 2016 Cadillac CTS | Engine | 6 | — |
| 2018 Cadillac ATS | Engine | 5 | — |
| 2018 Cadillac CT6 | Engine | 5 | — |
| 2018 Cadillac CTS | Engine | 5 | — |
| 2017 Cadillac ATS | Engine | 5 | — |
| 2017 Cadillac CT6 | Engine | 5 | — |
| 2017 Cadillac CTS | Engine | 5 | — |
| 2019 Cadillac ATS | Engine | 1 | — |
| 2019 Cadillac CTS | Engine | 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.
Cadillac filings that name P015B
Source: NHTSA manufacturer communicationsBulletins and campaigns Cadillac 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.
- PIP-5402 Service bulletin2016-05-17 · Engine
- THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES THE TECHNICIAN WITH THE DIAGNOSIS AND REPAIR STEPS FOR A VEHICLE WITH A CHECK ENGINE LIGHT ON WITH DIAGNOSTIC TROUBLE CODE P015B OR A REDUCED ENGINE POWER MESSAGE WITH DIAGNOSTIC TROUBLE CODE P1101. TECHNICIAN SHOULD LOOK FOR A MISSING OR DAMAGED O-RING SEAL IN THE CHARGE AIR COOLER COUPLER.
- PIP5402A Service bulletin2017-06-19 · Equipment — Other — Owners/Service/Other Manual
- This Preliminary Information communication provides the technician with the diagnosis and repair steps for a vehicle with a check engine light on with Diagnostic Trouble Code P015B or a reduced engine power message with Diagnostic Trouble Code P1101. Technician should look for a missing or damaged O-ring seal in the charge air cooler coupler.
- PIP5402D Service bulletin2018-07-25 · Engine And Engine Cooling
- This Preliminary Information communication provides the technician with the diagnosis and repair steps for a vehicle with a check engine light on with Diagnostic Trouble Code P015B or a reduced engine power message with Diagnostic Trouble Code P1101. Technician should look for a missing or damaged O-ring seal in the charge air cooler coupler.
- PIP5402B Service bulletin2017-09-19 · Equipment Adaptive/Mobility
- This Preliminary Information communication provides the technician with the diagnosis and repair steps for a vehicle with a check engine light on with Diagnostic Trouble Code P015B or a reduced engine power message with Diagnostic Trouble Code P1101. Technician should look for a missing or damaged O-ring seal in the charge air cooler coupler.
- PIP5402E Service bulletin2019-10-22 · Engine And Engine Cooling
- This Preliminary Information communication provides the technician with the diagnosis and repair steps for a vehicle with a check engine light on with Diagnostic Trouble Code P015B or a reduced engine power message with Diagnostic Trouble Code P1101. Technician should look for a missing or damaged O-ring seal in the charge air cooler coupler.
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 Cadillac 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 Cadillac vehicles?
It is a documented one: NHTSA's files hold 50 manufacturer filings and 0 owner reports naming P015B on 11 Cadillac 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 Cadillac models does P015B appear on most?
2016 ATS (6 documents), 2016 CT6 (6 documents), 2016 CTS (6 documents).
Does P015B on a Cadillac 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.