WenmarOpen by Wenmar Pro

P1133 on the 1998 Toyota Camry

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 P1133
EG002002000-04-14. Service bulletin. SOME CALIFORNIA EMISSION SPECIFICATION VEHICLES MAY EXHIBIT A MALFUNCTION INDICATOR LIGHT ON WITH DIAGNOSTIC TROUBLE CODE P1133 PRESENT. *TT
EG009992000-04-14. Service bulletin. SOME 5S-FE EQUIPPED VEHICLES AND CALIFORNIA EMISSION SPECIFICATION VEHICLES MAY EXHIBIT A MALFUNCTION INDICATOR LIGHT ON DIAGNOSTIC TROUBLE CODE P1133. *TT

2 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.