Cadillac CTS 2003 — technical service bulletin
Bulletin 4555 · NHTSA communication 10022560 · issued Aug 20, 2007
Technical service bulletin
communication type
Engine and Engine Cooling
component
2003
model years
1
vehicle entries
Official summary
Intermittent stall, surge, stumble, or hesitation dtc p1629. *kb
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.