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P0101 on the 2005 Cadillac XLR

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.

Bulletins for this model year that name P0101
PIP-48322011-03-14. Service bulletin. CADILLAC: INTERMITTENT SES LIGHT DUE TO DTCS P0068, P0101, AND/OR P1101. THIS MAY NOT HAVE BEEN A CONCERN UNTIL RECENT REPAIRS WERE PERFORMED THAT MAY HAVE AFFECTED AIR FLOW OR ECM PROGRAMMING. *PE

1 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.