Fewer unnecessary service messages, warning light activations, and automated OnStar calls from your vehicle
Chevrolet technical service bulletin 662.40 for 2025 Chevrolet Silverado EV and 2025 GMC Sierra EV.
- Bulletin number
- 662.40 (662.40)
- Component
- Unknown or other
- Summary
- Fewer unnecessary service messages, warning light activations, and automated OnStar calls from your vehicle
Vehicles covered
- Chevrolet Silverado EV 2025 2025
- GMC Sierra EV 2025 2025
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