Cadillac CTS 2004 — technical service bulletin
Bulletin 01879 · NHTSA communication 10006478 · issued May 4, 2004
Technical service bulletin
communication type
Electrical System
component
2004
model years
2
vehicle entries
Official summary
A reduced engine power complaint setting throttle codes - p0121, p0221, p2119, p2122, p2138, p2176. *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.