Cadillac CT6 2019 — technical service bulletin
Bulletin PIP5631 · NHTSA communication 10234223 · issued Mar 17, 2023
Technical service bulletin
communication type
Structure
component
2019
model years
3
vehicle entries
Official summary
This Preliminary information communicates to the dealer technician additional Instructions For Control Valve Body Bolt Kit Part Number 24294356. The technician is instructed on which bolts need to be replaced and which bolts need sealant applied during valve body replacement.
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.