Toyota Avalon 1999 — technical service bulletin
Bulletin 000523 · NHTSA communication 610980 · issued May 23, 2000
Technical service bulletin
communication type
Vehicle Speed Control
component
1999
model years
4
vehicle entries
Official summary
Some vehicles may exhibit a rough idle, and or a mil on condition in which a single cylinder misfire code or codes are present. *tt
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.