Toyota Sienna 2004 — technical service bulletin
Bulletin 0301 · NHTSA communication 10004712 · issued Jul 22, 2004
Technical service bulletin
communication type
Electrical System
component
2004
model years
1
vehicle entries
Official summary
There may be a red power wire for power lumbar support that is not tied securely away from parking brake mechanism. *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.