Chevrolet C Series 2000 — technical service bulletin
Bulletin 990604049 · NHTSA communication 6089208 · issued Oct 1, 1999
Technical service bulletin
communication type
Vehicle Speed Control
component
2000
model years
8
vehicle entries
Official summary
Some customers may comment of a wide open throttle 1-2 double bump and / or harsh upshift. *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.