Question
How to diagnose faulty battery management system (BMS) in EVs?
Answer
Monitor BMS communication and test cell balancing functionality.
Explain
A faulty BMS causes incorrect battery state-of-charge readings. CHEPQ EV tools test BMS communication and cell balancing—reprogramming or replacing the BMS restores accurate battery management.
Recommended Diagnostic Solutions
To apply the diagnostic concepts discussed above in real-world scenarios, explore our full range of professional automotive diagnostic tools. These solutions are designed to support battery testing, system diagnostics, and data analysis for modern vehicles and workshop environments.
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