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Service bulletins for the 2011 Toyota Sienna

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

372 on file from NHTSA, as of 2026-10-19.

About P0456 on the 2011 Toyota Sienna: what the code means, and the bulletins and recalls about the same components.

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Only bulletins with trouble code: P0456 are shown. Show all

Bulletins, newest first
SB-0130-102010-09-17. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). TOYOTA: ENGINE/HYBRID SYSTEM. ENGINE CONTROL. SOME VEHICLES MAY EXHIBIT A MIL ON CONDITION WITH DIAGNOSTIC TROUBLE CODE (DTC) P0456 STORED IN THE ENGINE CONTROL MODULE OR ECM (SAE TERM:POWERTRAIN CONTROL MODULE/PCM). *PE

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.