Cadillac Optiq 2024–2027 — technical service bulletin
Bulletin PIC6656A · NHTSA communication 11036394 · issued Aug 18, 2026
Technical service bulletin
communication type
Unknown / Other
component
2024–2027
model years
7
vehicle entries
Official summary
This Preliminary information communicates to the technician the direction needed when encounter a noise complaint for the rear disc brakes.
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.