Toyota Prius 2010–2014 — technical service bulletin
Bulletin ZE3_Warranty Pol · NHTSA communication 10132899 · issued Nov 10, 2016
Technical service bulletin
communication type
Electrical System
component
2010–2014
model years
5
vehicle entries
Official summary
Warranty Policy Bulletin: Toyota has received some reports indicating the Intelligent Power Module (IPM) located inside the inverter assembly of the hybrid system may fail.
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.