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Service bulletins for the 2011 Toyota Highlander

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.

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

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Only bulletins with component: Exhaust and emissions are shown. Show all

Bulletins, newest first
DOR-M9J4S-072020-07-27. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. These SKUs are Exhaust Manifolds with Catalytic Converters. The customer communication requested return of unsold inventory due to a loss of CARB certification. These SKUs can no longer be sold as they do not meet CARB standards, but parts on vehicles are not effected.
DOR-M3J3F-072020-07-27. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. These SKUs are Exhaust Manifolds with Catalytic Converters. The customer communication requested return of unsold inventory due to a loss of CARB certification. These SKUs can no longer be sold as they do not meet CARB standards, but parts on vehicles are not effected.
Toyota Exhaust G2018-04-23. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. On certain 2011 and 2012 model year Prius and Highlander HV vehicles, there is a possibility that the exhaust gas control actuator may develop a coolant leak. If a coolant leak occurs, the Water Temp indicator Lamp and Check engine Lamp will illuminate
C0F_TECH 2/162017-03-02. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. C0F EXPIRED ON MAY 31, 2015.
C0F_DEALER 2/162017-03-02. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. C0F EXPIRED ON MAY 31, 2015.
TC-12-0112012-10-11. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. TOYOTA: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. EXHAUST GAS CONTROL ACTUATOR MAY POSSIBLE DEVELOP COOLANT LEAK CAUSING CHECK ENGINE LAMP AND WATER TEMP INDICATOR LAMP TO ILLUMINATE. MODELS 2011-2012 HIGHLANDER HV; MODEL 2012 PRIUS V. *PE

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