Chevrolet Silverado 2001 — technical service bulletin
Bulletin 010730034 · NHTSA communication 627632 · issued Nov 1, 2001
Technical service bulletin
communication type
Power Train
component
2001
model years
2
vehicle entries
Official summary
Information regarding 5-4 shift busyness (excessive shifting) while using cruise control and towing. (c/k 2500/3500 series pickup models) *yh
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.