Unknown or other
GMC technical service bulletin PIC6638A for 2024-2026 GMC Acadia, 2024-2026 Chevrolet Traverse and 2025-2026 GMC Yukon and others.
- Bulletin number
- PIC6638A
- Component
- Unknown or other
- Summary
- This Preliminary information communicates to the technician the repair direction needed to address an inaccurate speed limit sign displayed on instrument cluster.
Vehicles covered
- GMC Acadia 2024-2026 202420252026
- Chevrolet Traverse 2024-2026 202420252026
- GMC Yukon 2025-2026 20252026
- Cadillac Escalade 2025-2026 20252026
- Cadillac Escalade ESV 2025-2026 20252026
- Chevrolet Equinox EV 2024-2026 202420252026
- Chevrolet Silverado EV 2024-2026 202420252026
- Cadillac Vistiq 2026 2026
- Cadillac Optiq 2025-2026 20252026
- GMC Hummer EV SUV 2025-2026 20252026
- GMC Sierra EV 2025-2026 20252026
- GMC Hummer EV Pickup 2025-2026 20252026
- Cadillac Escalade Iq 2025-2026 20252026
- Cadillac Celestiq 2025-2026 20252026
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