Chevrolet Impala 2000–2001 — technical service bulletin
Bulletin 010201 · NHTSA communication 618267 · issued Feb 1, 2001
Technical service bulletin
communication type
Exterior Lighting
component
2000–2001
model years
2
vehicle entries
Official summary
Some vehicles could exhibit a noticeable dimming of the interior or exterior lighting on the vehicle during operation. *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.