Buick Enclave 2002–2026 — technical service bulletin
Bulletin PIT6426B · NHTSA communication 11033752 · issued Jun 5, 2026
Technical service bulletin
communication type
Unknown OR Other
component
2002–2026
model years
41
vehicle entries
Official summary
Fog lamp control may be missing from radio display after a BCM update. Engineering is investigating.
Vehicles covered
- 2025 Buick Enclave
- 2026 Buick Enclave
- 2025 Cadillac Celestiq
- 2025 Cadillac CT5
- 2025 Cadillac Escalade
- 2025 Cadillac Escalade Esv
- 2025 Cadillac Escalade IQ
- 2026 Cadillac Escalade IQ
- 2026 Cadillac Escalade Iql
- 2023 Cadillac Lyriq
- 2024 Cadillac Lyriq
- 2025 Cadillac Lyriq
- 2026 Cadillac Lyriq
- 2025 Cadillac Optiq
- 2026 Cadillac Vistiq
- 2025 Chevrolet Blazer EV
- 2024 Chevrolet Equinox EV
- 2025 Chevrolet Equinox EV
- 2026 Chevrolet Equinox EV
- 2024 Chevrolet Silverado EV
- 2025 Chevrolet Silverado EV
- 2026 Chevrolet Silverado EV
- 2026 Chevrolet Suburban 1500
- 2002 Chevrolet Suburban 2500
- 2025 Chevrolet Tahoe
- 2026 Chevrolet Tahoe
- 2024 Chevrolet Traverse
- 2025 Chevrolet Traverse
- 2026 Chevrolet Traverse
- 2024 GMC Acadia
- 2025 GMC Acadia
- 2026 GMC Acadia
- 2026 GMC Hummer EV Pickup
- 2026 GMC Hummer EV SUV
- 2024 GMC Sierra 1500
- 2025 GMC Sierra 1500
- 2026 GMC Sierra 1500
- 2025 GMC Yukon
- 2026 GMC Yukon
- 2025 GMC Yukon XL
- 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.