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P0125 on the 1998 Mazda B-Series

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 P0125
019991999-08-13. Service bulletin. CUSTOMER MAY COMPLAIN ABOUT LACK OF HEAT FROM THE CLIMATE CONTROL SYSTEM AND MALFUNCTION INDICATOR LAMP (MIL) ON WITH DIAGNOSTIC TROUBLE CODE (DTC) P0125 PRESENT. *TT

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.