Cadillac Optiq 2025–2026 — service campaign
Bulletin N252528241 · NHTSA communication 11032066 · issued May 4, 2026
Service campaign
communication type
Service Brakes
component
2025–2026
model years
3
vehicle entries
Official summary
Certain vehicles may have a condition in which the vehicle experiences a reduction in deceleration during a low-speed ABS braking event when the road surface transitions from smooth to rough surfaces. Dealers are to reprogram the Brake System Control Module. Owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes using wireless over-the-air (OTA) technology without having to bring their vehicle to a dealership. Alternatively, owners may have their vehicle serviced at a GM dealer to receive these software updates.
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.