Chevrolet Silverado 1999–2001 — technical service bulletin
Bulletin 010856002A · NHTSA communication 623100 · issued Jun 1, 2001
Technical service bulletin
communication type
Electrical System
component
1999–2001
model years
15
vehicle entries
Official summary
Some vehicles may exhibit a security lamp illuminated on the instrument panel, engine stall, no start condition, and diagnostic trouble code b2960. *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.