Tuesday, September 22, 2026
RecallGazette

Vehicle problems, recalls & safety intelligence

Chevrolet Blazer 1998–2001technical service bulletin

Bulletin 010856001 · NHTSA communication 619740 · issued May 1, 2001

Technical service bulletin
communication type
Unknown / Other
component
1998–2001
model years
16
vehicle entries

Official summary

Some customers may comment that the security lamp illuminates while driving; the security lamp may be on or off; the security lamp is illuminated; the engine cranks but will not start and the security lamp is flashing; and / or the engine starts then stalls and the security lamp is flashing. *tt

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.