Cadillac XT4 2019 — technical service bulletin
Bulletin PIP5660A · NHTSA communication 10249279 · issued Dec 8, 2023
Technical service bulletin
communication type
Power Train
component
2019
model years
3
vehicle entries
Official summary
This Preliminary information communicates the possibility of a reduced power message with dtc p2101 and/or p1516 due to potential throttle body issue.
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.