The Battery Energy Control Module (BECM) in certain vehicles include battery-monitoring software
Chevrolet technical service bulletin N252516700-01 for 2025-2026 Chevrolet Silverado EV, 2025-2026 GMC Hummer EV SUV and 2025-2026 GMC Sierra EV and others.
- Bulletin number
- N252516700-01 (N252516700-01)
- Component
- Unknown or other
- Summary
- The Battery Energy Control Module (BECM) in certain vehicles include battery-monitoring software. An update is available for this software that improves the BECM’s ability to detect moisture inside the RESS enclosure. Dealers are to reprogram the BECM with the updated software.
Vehicles covered
- Chevrolet Silverado EV 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
- Chevrolet Silverado 4500 2019 2019
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