Cadillac CTS 2008–2009 — technical service bulletin
Bulletin 19NA033 · NHTSA communication 10155020 · issued Feb 19, 2019
Technical service bulletin
communication type
Engine
component
2008–2009
model years
4
vehicle entries
Official summary
This informational bulletin provides information on a hard brake pedal caused by low engine vacuum during warm up.
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.