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P0A73 Powertrain

Generator Phase V Current Low

Phase V current of the generator is below the expected window. Indicates open winding or sensor offset.

Affected components

  • Generator phase v
  • Inverter

Common causes

  • High likelihood: Phase winding partially open
  • Medium likelihood: Current sensor offset drifted

Diagnostic notes

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

Related codes

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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