Toyota Prius 2004–2009 — technical service bulletin
Bulletin TSB-0153-13 · NHTSA communication 10054857 · issued Oct 8, 2013
Technical service bulletin
communication type
Electrical System
component
2004–2009
model years
6
vehicle entries
Official summary
Toyota: due to dust or debris build up in hv battery cooling fan, the malfunction indicator lamp (mil) is on and procedure repair is available for this condition. Model 2004-2009 prius. *pe
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.