Cadillac Cadillac Truck 2002 — technical service bulletin
Bulletin 062402 · NHTSA communication 636441 · issued Jun 24, 2002
Technical service bulletin
communication type
Unknown / Other
component
2002
model years
3
vehicle entries
Official summary
Owners of 2002 ck pick-up and utility trucks built with the gasoline engine, may comment of an activated service engine soon light were a p0442 diagnostic trouble code is set. *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.