Saturn LS 2002 — technical service bulletin
Bulletin 02T18 · NHTSA communication 631290 · issued Apr 1, 2002
Technical service bulletin
communication type
Electrical System
component
2002
model years
2
vehicle entries
Official summary
Subject regarding onstar system unable to send or receive cellular phone calls.*jb
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.