Chevrolet C/K Series 2001–2002 — technical service bulletin
Bulletin 041502 · NHTSA communication 636535 · issued Apr 15, 2002
Technical service bulletin
communication type
Unknown OR Other
component
2001–2002
model years
6
vehicle entries
Official summary
Customer complaint of a check engine light. *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.