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B15A1 on the 2025 Jeep Wagoneer S

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.

This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.

Bulletins for this model year that name B15A1
S258A0000212025-12-11. Service bulletin. Diagnostic Trouble Code (DTC) B15A1-00 Media Port Connection 1 Connection Found Set.
S25080000912025-10-29. Service bulletin. Radio (ETM) Is Always Setting Stored DTC B15A1-00 Media Port 1 Connection
08-152-252025-05-14. Service bulletin. "Radio U37.23 USB Software Update. Customers may experience one or more of the following: ● Pop-up messages text cut-off ""Transfer to Passenger"". ● Missing active call details in phone widget after swap is performed. ● Missing Pop-up messages for Blind Spot System (BSS) related to Active Lane Management (ALM) ON/ OFF. ● Virtual wall option erroneously available in menu. ● Customer needs to select Sound type in EV pages twice. ● Apple Car Play icon on main screen disappears when active. ● Diagnostic Trouble Code (DTC) B15A1-00 Media Port Connection 1. EOL issues only (no customer impact). This is a stored DTC with no MIL illumination and no impact to the customer This bulletin involves updating the radio software level from U35.26 or U35.34 to U37.23."
S24080000882024-08-08. Service bulletin. Radio (ETM) Is Setting Active DTC B15A1-00 Media Port Connection

4 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.