Friday, August 7, 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 OR 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.