This service bulletin provides information for dealers/technicians on Software Updates on Ultium Vehicles.
Chevrolet technical service bulletin 24-NA-143 for 2024-2025 Chevrolet Equinox EV, 2023-2026 Cadillac Lyriq and 2024-2025 Chevrolet Blazer EV and others.
- Bulletin number
- 24-NA-143
- Component
- Fuel/propulsion system
- Summary
- This service bulletin provides information for dealers/technicians on Software Updates on Ultium Vehicles.
Owners of these vehicles have filed 31 complaints in the fuel system category.
Vehicles covered
- Chevrolet Equinox EV 2024-2025 20242025
- Cadillac Lyriq 2023-2026 2023202420252026
- Chevrolet Blazer EV 2024-2025 20242025
- Chevrolet Silverado EV 2024-2025 20242025
- Cadillac Vistiq 2026 2026
- Cadillac Optiq 2025 2025
- GMC Sierra EV 2024-2025 20242025
- GMC Hummer EV Pickup 2022-2025 2022202320242025
- Cadillac Escalade Iq 2025 2025
- Brightdrop Zevo 600 2023-2024 20232024
- Brightdrop Zevo 400 2024 2024
- Cadillac Celestiq 2025 2025
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