Toyota Avalon 1999 — technical service bulletin
Bulletin EG00499 · NHTSA communication 604939 · issued Apr 23, 1999
Technical service bulletin
communication type
Engine and Engine Cooling
component
1999
model years
3
vehicle entries
Official summary
Some vehicles within certain vin ranges may exhibit a false malfunction indicator lamp on with diagnostic trouble code p0446 for a vacuum control valve assembly set. *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.