Toyota Prius V 2015 — technical service bulletin
Bulletin T-SB-0115-20 · NHTSA communication 10184562 · issued Nov 24, 2020
Technical service bulletin
communication type
Electrical System
component
2015
model years
1
vehicle entries
Official summary
TSB: Some 2015 model year Prius V 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) C1391, C1252, C1256, or C1253 may be stored. This condition may be caused by a small internal brake fluid leak in the brake booster assembly with master cylinder. Follow the Repair Procedure in this bulletin to address this condition.
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.