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P2E79 Powertrain

Hybrid/EV Electronics Coolant Pump C Performance

Hybrid/EV electronics coolant pump C does not produce the expected flow. Pump aging or air pocket in loop.

Affected components

  • Hybrid electronics coolant pump c

Common causes

  • High likelihood: Pump output degraded
  • Medium likelihood: Coolant level low

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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