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B2555 on the 2008 GMC Yukon

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 B2555
PIT52012023-12-26. Service bulletin. Driver or Passenger Door Module DTC B2555.
PIT52012023-12-11. Service bulletin. Driver or Passenger Door Module DTC B2555.
PIT52012017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have Diagnostic Trouble Code B2555 may be found in a Driver and/or Passenger Door Module. Technician should ignore the Diagnostic Trouble Code if set in a driver door module and/or Passenger Door Module on a vehicles not equipped with front door panel courtesy lights.
PIT5201A2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have Diagnostic Trouble Code B2555 may be found in a Driver and/or Passenger Door Module. Technician should ignore the Diagnostic Trouble Code if set in a DDM and/or PDM on a vehicles not equipped with front door panel courtesy lights.

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.