Buick Enclave 2024–2027 — technical service bulletin
Bulletin PIT6517C · NHTSA communication 11035710 · issued Jul 30, 2026
Technical service bulletin
communication type
Unknown / Other
component
2024–2027
model years
39
vehicle entries
Official summary
This 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.
Vehicles covered
- 2026 Buick Enclave
- 2026 Cadillac Celestiq
- 2026 Cadillac Escalade
- 2026 Cadillac Escalade Esv
- 2026 Cadillac Escalade IQ
- 2026 Cadillac Escalade Iql
- 2026 Cadillac Optiq
- 2027 Cadillac Optiq
- 2026 Cadillac Vistiq
- 2027 Cadillac Vistiq
- 2026 Chevrolet Blazer EV
- 2026 Chevrolet Brightdrop 400
- 2026 Chevrolet Brightdrop 600
- 2024 Chevrolet Colorado
- 2025 Chevrolet Colorado
- 2026 Chevrolet Colorado
- 2024 Chevrolet Corvette
- 2025 Chevrolet Corvette
- 2026 Chevrolet Corvette Convertible
- 2026 Chevrolet Corvette Convertible E-Ray
- 2026 Chevrolet Corvette Coupe
- 2026 Chevrolet Corvette Coupe E-Ray
- 2026 Chevrolet Equinox
- 2027 Chevrolet Equinox
- 2026 Chevrolet Equinox EV
- 2026 Chevrolet Silverado EV
- 2026 Chevrolet Tahoe
- 2026 Chevrolet Traverse
- 2026 GMC Acadia
- 2024 GMC Canyon
- 2025 GMC Canyon
- 2026 GMC Canyon
- 2026 GMC Hummer EV Pickup
- 2026 GMC Hummer EV SUV
- 2026 GMC Sierra EV
- 2026 GMC Terrain
- 2027 GMC Terrain
- 2026 GMC Yukon
- 2026 GMC Yukon XL
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.