Cadillac CTS 2003 — technical service bulletin
Bulletin 041602 · NHTSA communication 636549 · issued Apr 16, 2002
Technical service bulletin
communication type
Unknown OR Other
component
2003
model years
1
vehicle entries
Official summary
Some customers may experience an service engine soon light with the diagnostic trouble code p0128 set. *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.