P0734 on the 1999 Mazda Protege
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.
| 00200 | 2000-04-11. Service bulletin. INFORMATION DESCRIBING A NO SHIFT CONDITION FROM SECOND OR THIRD GEAR WITH A FLASHING OVERDRIVE OFF (O/D OFF) INDICATOR LIGHT WITH DIAGNOSTIC TROUBLE CODES (DTC) P0732, P0733 OR P0734 STORED IN MEMORY. *TT |
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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.