• Improvements to diagnostics and service messaging for battery health, particularly in humid conditions •...
Chevrolet technical service bulletin 661.10 for 2024-2026 Chevrolet Silverado EV and 2024-2026 GMC Sierra EV.
- Bulletin number
- 661.10 (661.10)
- Component
- Unknown or other
- Summary
- • Improvements to diagnostics and service messaging for battery health, particularly in humid conditions • Improvements to transmission diagnostics used for shifting • Improvements to charging system diagnostics • Fixes to help protect EV adapter from overheating while charging
Vehicles covered
- Chevrolet Silverado EV 2024-2026 202420252026
- GMC Sierra EV 2024-2026 202420252026
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