Chevrolet Impala 2001 — technical service bulletin
Bulletin 201200 · NHTSA communication 618143 · issued Dec 20, 2000
Technical service bulletin
communication type
Unknown OR Other
component
2001
model years
2
vehicle entries
Official summary
Some vehicles may exhibit the service engine soon light on and diagnostic trouble codes p0480 or p0481 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.