Condition where the brake, ABS, and/or TRAC warning light(s) are ON and/or a Check VSC message is displayed

Bulletin number

T-SB-0032-16

Component

Service brakes, air: antilock

Summary

TSB: Some 2004 ? 2009 model year Prius and 2006 ? 2007 Highlander HV vehicles may exhibit a condition where the brake, ABS, and/or TRAC warning light(s) are ON and/or a Check VSC message is displayed. Diagnostic Trouble Code (DTC) C1391, C1252, C1253, or C1256 may be stored. This condition may be caused by a small internal brake fluid leak inside the brake actuator. Follow the Repair Procedure in this bulletin to address this condition.

Owners of these vehicles have filed 1,628 complaints in the brakes category.