P0446 on the 2003 Toyota Sienna
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.
| 00705 | 2005-09-27. Service bulletin. MALFUNCTION INDICATOR LAMP ON WITH DIAGNOSTIC TROUBLE CODE P0446 (EVAPORATIVE EMISSION CONTROL SYSTEM VENT CONTROL MALFUNCTION) (ONLY). *TT |
|---|---|
| 02003 | 2004-03-15. Service bulletin. MALFUNCTION INDICATOR LAMP (MIL) ON CONDITION WITH DIAGNOSTIC TROUBLE CODE (DTC) P0441, P0442 AND/OR P0446. *TT |
| EG01303R | 2003-12-29. Service bulletin. MALFUNCTION INDICATOR LAMP ON WITH DIAGNOSTIC TROUBLE CODE P0440, P0441 AND/OR P0446 STORED. *TT |
| EG01303 | 2003-11-07. Service bulletin. MALFUNCTION INDICATOR LAMP ON WITH DIAGNOSTIC TROUBLE CODE P0440, P0441 AND/OR P0446 STORED. *TT |
4 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.