Toyota Prius 2010–2015 — technical service bulletin
Bulletin ZJB_Toyota POL18 · NHTSA communication 10158578 · issued Mar 7, 2019
Technical service bulletin
communication type
Service Brakes, Hydraulic
component
2010–2015
model years
10
vehicle entries
Official summary
Customer Support Program Bulletin: Toyota has received reports indicating various brake system related warning lamps illuminate due to internal malfunctions.
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.