Buick Park Avenue 2002 — technical service bulletin
Bulletin 051602 · NHTSA communication 636692 · issued May 16, 2002
Technical service bulletin
communication type
Unknown OR Other
component
2002
model years
1
vehicle entries
Official summary
Some vehicles may exhibit a service engine soon light on and a diagnostic trouble code p0442 stored. *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.