WenmarOpen by Wenmar Pro

P1783 on the 2003 Mazda Tribute

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 P1783
05005042005-08-04. Service bulletin. AUTOMATIC TRANSAXLE (A/T) INDICATOR LAMP ON (DIAGNOSTIC TROUBLE CODE P1783 AND/OR P0733) OR COLD CLIMATE SHIFT / ENGAGEMENT CONCERNS. UPDATE. *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.