Toyota Sienna 1998–2003 — technical service bulletin
Bulletin EL01303 · NHTSA communication 10003964 · issued Sep 26, 2003
Technical service bulletin
communication type
Electrical System
component
1998–2003
model years
6
vehicle entries
Official summary
Charging improvement at idle. *tt
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.