Service bulletin T-SB-0144-14
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.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10109360 |
| Published by NHTSA | 2017-08-01 |
| Manufacturer's number | T-SB-0144-14 |
| Manufacturer's date | 2014-11-07 |
| NHTSA component | ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING |
NHTSA's summary
TSB: Some 2014 - 2015 model year Sequoia and Tundra vehicles equipped with 3UR engines may exhibit a MIL "ON" condition with the following Diagnostic Trouble Codes (DTCs): ? P2440: Secondary Air Injection System Switching Valve Stuck Open Bank 1 ? P2442: Secondary Air Injection System Switching Valve Stuck Open Bank 2 This condition may be caused by debris/ice in the air switching valve assembly. The Engine Control Module/ECM (SAE term: Powertrain Control Module/PCM) logic has been changed to reduce the possibility of this condition occurring.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Electrical system, Engine
Trouble codes named
P2440, P2442
| TOYOTA SEQUOIA | 2014, 2015 |
|---|---|
| TOYOTA TUNDRA | 2014, 2015 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 2021723 | 2021-11-24. Electrical |
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A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
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