Service Update
Chevrolet technical service bulletin A252528630-02 for 2025-2026 Chevrolet Trax and 2025-2026 Buick Envista.
- Bulletin number
- A252528630-02 (A252528630-02)
- Component
- Fuel/propulsion system
- Summary
- Service Update. On certain vehicles listed above, under certain driving conditions and due to differences in flow rate characteristics, the fuel injectors may not be able to properly optimize engine fueling. Dealers will reprogram the engine control module.
Owners of these vehicles have filed 15 complaints in the fuel system category.
Vehicles covered
- Chevrolet Trax 2025-2026 20252026
- Buick Envista 2025-2026 20252026
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