Chevrolet Chevrolet Truck 2001–2002 — technical service bulletin
Bulletin 040202 · NHTSA communication 629753 · issued Feb 4, 2002
Technical service bulletin
communication type
Electrical System
component
2001–2002
model years
4
vehicle entries
Official summary
Subject regarding battery drain. *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.