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P0A10 Powertrain

Hybrid Battery Voltage Sense Circuit

The battery management system detects a fault in the high-voltage battery pack voltage sense circuit, used to monitor module-level voltages.

Affected components

  • Bms
  • Hv battery
  • Voltage sense wiring

Common causes

  • High likelihood: BMS sense circuit failure
  • Medium likelihood: Cell module imbalance
  • Low likelihood: Ground point with elevated resistance

Diagnostic notes

  • The malfunction indicator lamp may illuminate
  • Reduced-power or limp mode may occur

Sources

Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.

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