P015B on the 2016 Cadillac ATS
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
Nobody has written a description of this code yet.
| PIP5402E | 2019-11-12. Service bulletin. 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. |
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| PIP5402C | 2019-04-08. Service bulletin. 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 | 2019-04-08. Service bulletin. 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 | 2018-08-20. Service bulletin. 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 | 2017-10-04. Service bulletin. 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. |
| PIP-5402 | 2016-08-25. Service bulletin. 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. |
6 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.