November 21, 2018 Service bulletin

Revision notice

Toyota technical service bulletin T-SB-0079-18_Rev for 2010 Toyota Prius.

Bulletin number: T-SB-0079-18_Rev
Component: Electrical system
Summary: TSB: REVISION NOTICE November 21, 2018 Rev1: ? The Required Tools & Equipment section has been updated. Any previous printed versions of this bulletin should be discarded. Some 2010 model year Prius and Prius Plug-in Hybrid vehicles may exhibit a condition where the brake, ABS, and/or TRAC warning light(s) are on and/or a Check VSC message displays. Diagnostic Trouble Codes (DTCs) C1252, C1253, C1256, and C1391 may be stored. This condition may be caused by a small internal brake fluid leak inside the brake booster assembly with master cylinder. Follow the Repair Procedure in this bulletin to address this condition.

Owners of these vehicles have filed 192 complaints in the electrical category.

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