TSB Document:

Affected Component: ELECTRICAL SYSTEM

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.

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Date Published
NOV 24, 2020
NHTSA TSB #
10184562
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