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B2725 on the 2015 GMC Canyon

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 B2725
PIP5256A2018-01-22. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that may have a Service 4WD message displayed in the Instrument Panel Cluster. Technician may find diagnostic trouble code B2725 or B0770 in the Transfer Case Control Module. Technician will need to replace the Transfer Case Select switch with the correct switch.
PIP5256B2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that may have a Service 4WD message displayed in the Instrument Panel Cluster. Technician may find diagnostic trouble code B2725 or B0770 in the Transfer Case Control Module. Technician will need to replace the Transfer Case Select switch with the correct switch.
PIP52562017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that may have a Service 4WD message displayed in the Instrument Panel Cluster. Technician may find diagnostic trouble code B2725 or B0770 in the Transfer Case Control Module. Technician will need to replace the Transfer Case Select switch with the correct switch.
PIP52562017-03-15. Service bulletin. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE A SERVICE 4WD MESSAGE DISPLAYED IN THE INSTRUMENT PANEL CLUSTER. TECHNICIAN MAY FIND DIAGNOSTIC TROUBLE CODE B2725 OR B0770 IN THE TRANSFER CASE CONTROL MODULE. TECHNICIAN WILL NEED TO REPLACE THE TRANSFER CASE SELECT SWITCH WITH THE CORRECT SWITCH.

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.