Service bulletins for the 2011 Toyota Sequoia
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.
257 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Exhaust and emissions are shown. Show all
| ZG6-Toyota POL17 | 2018-12-17. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. Warranty Policy Bulletin: Toyota has received reports of customer concerns regarding the illumination of the check engine light due to moisture/water in the Air Injection Pumps and/or Air Switching Valves. |
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| ZG6_Toyota POL17 | 2018-04-02. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Warranty Policy Bulletin: Toyota has received reports of customer concerns regarding the illumination of the check engine light due to moisture/water in the Air Injection Pumps and/or Air Switching Valves. |
| ZG6_Toyota POL17 | 2018-04-02. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Warranty Policy Bulletin POL 17-02: Rev Toyota has received reports of customer concerns regarding the illumination of the check engine light due to moisture/water in the Air Injection Pumps and/or Air Switching Valves. |
| ZG6_Toyota POL17 | 2018-04-02. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Warranty Policy Bulletin POL 17-02: Toyota has received reports of customer concerns regarding the illumination of the check engine light due to moisture/water in the Air Injection Pumps and/or Air Switching Valves. |
| ZG6_ Dealer Lett | 2018-04-02. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Dealer Letter: Toyota has received a number of reports regarding Air Injection Pumps and Air Switching Valves in certain 2011 Model Year Tundra and Sequoia Vehicles. In these reports, customers have indicated concerns regarding the illumination of the check engine light (Malfunction Indicator Light) due to moisture/water in the Air Injection Pumps and/or Air Switching Valves. |
| ZG6_ Dealer Emai | 2018-04-02. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Dealer Email: Toyota has received a number of reports regarding Air Injection Pumps and Air Switching Valves in certain 2011 Model Year Tundra and Sequoia Vehicles. In these reports, customers have indicated concerns regarding the illumination of the check engine light (Malfunction Indicator Light) due to moisture/water in the Air Injection Pumps and/or Air Switching Valves. |
| ZG6_ Region Lett | 2018-04-02. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Region Letter: Toyota has received a number of reports regarding Air Injection Pumps and Air Switching Valves in certain 2011 Model Year Tundra and Sequoia Vehicles. In these reports, customers have indicated concerns regarding the illumination of the check engine light (Malfunction Indicator Light) due to moisture/water in the Air Injection Pumps and/or Air Switching Valves. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.