Toyota Prius 2010 — technical service bulletin
Bulletin T-SB-0079-18_Rev · NHTSA communication 10152199 · issued Nov 21, 2018
Technical service bulletin
communication type
Electrical System
component
2010
model years
1
vehicle entries
Official 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
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.