Buick Enclave 2026–2027 — technical service bulletin
Bulletin PIT6533A · NHTSA communication 11036222 · issued Aug 14, 2026
Technical service bulletin
communication type
Unknown / Other
component
2026–2027
model years
21
vehicle entries
Official summary
This Preliminary information communications information on a Short Range Radar software anomaly causing false / ghost left or right side object detection alerts.
Vehicles covered
- 2026 Buick Enclave
- 2026 Cadillac CT5
- 2026 Cadillac Escalade
- 2026 Cadillac Escalade Esv
- 2026 Cadillac Escalade IQ
- 2026 Cadillac Escalade Iql
- 2026 Cadillac Lyriq
- 2027 Cadillac Lyriq
- 2026 Cadillac Vistiq
- 2027 Cadillac Vistiq
- 2027 Chevrolet Bolt EV
- 2026 Chevrolet Silverado EV
- 2026 Chevrolet Suburban 1500
- 2026 Chevrolet Tahoe
- 2026 Chevrolet Traverse
- 2026 GMC Acadia
- 2026 GMC Hummer EV Pickup
- 2026 GMC Hummer EV SUV
- 2026 GMC Sierra EV
- 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.