Toyota Sienna 2004 — technical service bulletin
Bulletin 00403 · NHTSA communication 10005249 · issued Nov 24, 2003
Technical service bulletin
communication type
Service Brakes, Hydraulic
component
2004
model years
1
vehicle entries
Official summary
Diagnostic trouble code (dtc) c1234 - yaw rate sensor. *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.