Toyota Avalon 2012–2015 — technical service bulletin
Bulletin T-SB-0130-19 · NHTSA communication 10165988 · issued Sep 4, 2019
Technical service bulletin
communication type
Service Brakes, Hydraulic
component
2012–2015
model years
6
vehicle entries
Official summary
TSB: Some 2012 ? 2014 model year Camry Hybrid, and 2013 ? 2015 model year Avalon Hybrid vehicles may exhibit a condition where the brake, ABS, and/or TRAC warning lights are on and/or a Check VSC message displays. One or more of the following specific Diagnostic Trouble Codes (DTCs) C1391, C1252, C1256, or C1253 will be stored in the vehicle?s memory to be used as verification. 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.