Toyota Avalon 2011–2012 — technical service bulletin
Bulletin T-SB-0055-12 · NHTSA communication 10044156 · issued Mar 13, 2012
Technical service bulletin
communication type
Engine and Engine Cooling
component
2011–2012
model years
9
vehicle entries
Official summary
Toyota: charging system inoperative. Some engines may exhibit insufficient charging performance from the alternator. An updated pulley assembly is available to address this condition. *js
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.