P2608 – Coolant Pump Control Circuit Signal

Description

The ECM detects an incorrect signal in the coolant pump control circuit.

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Symptoms

  • Overheating
  • Reduced power
  • Check engine light

Causes

  • Faulty pump motor
  • Wiring issues
  • ECM fault

Diagnosis

  • Check coolant pump
  • Inspect wiring
  • Test ECM

Repair

  • Replace coolant pump
  • Repair wiring