Chevrolet Sierra 1999–2001 — technical service bulletin
Bulletin 020201 · NHTSA communication 618276 · issued Feb 2, 2001
Technical service bulletin
communication type
Exterior Lighting
component
1999–2001
model years
12
vehicle entries
Official summary
This is a product update vme that involves certain pick-up trucks. As indicated in service bulletin number 00-08-42-010, relative to the daytime running lights being inoperative, the replacement bulb is now available. *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.