When updating the Energy Storage Control Module (ESCM) software, the truck may display fault code P109D8A...
Volvo technical service bulletin CBR 2470-1 202505 for 2019-2025 Volvo Vnre (Electric).
- Bulletin number
- CBR 2470-1 202505
- Component
- Electrical system
- Summary
- When updating the Energy Storage Control Module (ESCM) software, the truck may display fault code P109D8A – Battery Management Units (BMU), Authentication Failure.
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