P3140 – Hybrid Inverter Cooling System Fault

Description

The ECM detects a fault in the hybrid inverter cooling system.

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Symptoms

  • Reduced power
  • EV mode disabled

Causes

  • Cooling pump failure
  • Coolant leak

Diagnosis

  • Check coolant flow
  • Inspect cooling pump

Repair

  • Repair cooling system
  • Replace pump

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