Cadillac Optiq Service Bulletins (2027)
7 manufacturer communications on file.
- August 20, 2026•Document ID: 11036393Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6661
- Date Added:
- August 27, 2026
- Manufacturer:
- CADILLAC
SummaryThis Preliminary information communicates to the technician a diagnostic tip when they encounter a condition that involves the tail lights staying on after the vehicle has been turned off.
Associated Products (3)Associated Documents - August 18, 2026•Document ID: 11036395Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6534
- Date Added:
- August 27, 2026
- Manufacturer:
- GMC
SummaryOnstar connectivity features may be inoperative. Dealer is instructed how to reset the onstar module. Engineering is investigating a solution.
Associated Products (8)Associated Documents - August 18, 2026•Document ID: 11036394Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6656A
- Date Added:
- August 27, 2026
- Manufacturer:
- CADILLAC
SummaryThis Preliminary information communicates to the technician the direction needed when encounter a noise complaint for the rear disc brakes.
Associated Products (3)Associated Documents - August 4, 2026•Document ID: 11036197Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6658
- Date Added:
- August 14, 2026
- Manufacturer:
- CADILLAC
SummaryThis preliminary information informs customers and technicians of the short term work around to restore the proper Themes operation. No parts should be replaced at this time.
Associated Products (7)Associated Documents - July 30, 2026•Document ID: 11035710Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6517C
- Date Added:
- August 5, 2026
- Manufacturer:
- CHEVROLET
SummaryThis PI advise dealers If U3000 is present, follow the correct service doc by Symptom Byte before contacting PQC; if not present, verify the camera is clean, then contact PQC if no issue is found.
Associated Products (29)2027 Cadillac Optiq2027 Cadillac Vistiq2027 Chevrolet Equinox2027 GMC Terrain2026 Buick Enclave2026 Cadillac Celestiq2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Optiq2026 Cadillac Vistiq2026 Chevrolet Colorado2026 Chevrolet Equinox2026 Chevrolet Tahoe2026 Chevrolet Traverse2026 GMC Acadia2026 GMC Canyon2026 GMC Hummer EV Pickup2026 GMC Hummer EV SUV+ 9 moreAssociated Documents - July 24, 2026•Document ID: 11035355Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6656
- Date Added:
- July 30, 2026
- Manufacturer:
- CADILLAC
SummaryThis Preliminary information communicates to the technician the direction needed when encounter a noise complaint for the rear disc brakes.
Associated Products (3)Associated Documents - July 13, 2026•Document ID: 11035123Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6655
- Date Added:
- July 21, 2026
- Manufacturer:
- CADILLAC
SummaryThis Preliminary information communicates to the technician the direction needed when encountering an issue with pinch point protection is inoperative on the front windows.
Associated Products (3)Associated Documents