Cadillac Optiq 2025 — technical service bulletin
Bulletin 25-NA-067 · NHTSA communication 11017177 · issued Mar 22, 2025
Technical service bulletin
communication type
Fuel/propulsion System
component
2025
model years
3
vehicle entries
Official summary
Some customers may comment on Service High Voltage Warning Message and vehicle in setting P1C01.
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.