Chevrolet C/K Pickups 1998–2001 — technical service bulletin
Bulletin 010856004 · NHTSA communication 623871 · issued Aug 1, 2001
Technical service bulletin
communication type
Electrical System
component
1998–2001
model years
4
vehicle entries
Official summary
The security lamp illuminates while driving; the engine cranks but will not start; and / or the engine starts then stalls and the security lamp is flashing. *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.