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June 15, 2016 Service bulletin

Region email: In these vehicles, Toyota has received some reports of a rough idle and/or rattle noise from...

Toyota technical service bulletin ZF3_Region Lette for 2010-2012 Toyota Prius, 2012 Toyota Prius V and 2010, 2012 Toyota Prius Plug-In Hybrid.

Bulletin number
ZF3_Region Lette
Component
Engine and engine cooling: exhaust system: emission control: gas recirculation valve (EGR valve)
Summary
Region email: In these vehicles, Toyota has received some reports of a rough idle and/or rattle noise from the transaxle at cold start due to a sticking Exhaust Gas Recirculation (EGR) Valve. If this occurs, the vehicle may illuminate the check engine light and set diagnostic trouble code (DTC) P0401.

Owners of these vehicles have filed 297 complaints in the engine category.

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