Fog lamp control may be missing from radio display after a BCM update
Chevrolet technical service bulletin PIT6426B for 2025-2026 Chevrolet Tahoe, 2024-2026 GMC Sierra 1500 and 2024-2026 GMC Acadia and others.
- Bulletin number
- PIT6426B
- Component
- Unknown or other
- Summary
- Fog lamp control may be missing from radio display after a BCM update. Engineering is investigating.
Vehicles covered
- Chevrolet Tahoe 2025-2026 20252026
- GMC Sierra 1500 2024-2026 202420252026
- GMC Acadia 2024-2026 202420252026
- Chevrolet Traverse 2024-2026 202420252026
- GMC Yukon 2025-2026 20252026
- Buick Enclave 2025-2026 20252026
- GMC Yukon XL 2025-2026 20252026
- Cadillac Escalade 2025 2025
- Chevrolet Suburban 1500 2026 2026
- Cadillac Escalade ESV 2025 2025
- Chevrolet Equinox EV 2024-2026 202420252026
- Chevrolet Suburban 2500 2002 2002
- Cadillac Lyriq 2023-2026 2023202420252026
- Cadillac CT5 2025 2025
- Chevrolet Blazer EV 2025 2025
- Chevrolet Silverado EV 2024-2026 202420252026
- Cadillac Vistiq 2026 2026
- Cadillac Optiq 2025 2025
- GMC Hummer EV SUV 2026 2026
- GMC Hummer EV Pickup 2026 2026
- Cadillac Escalade Iq 2025-2026 20252026
- Cadillac Escalade Iql 2026 2026
- Cadillac Celestiq 2025 2025
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