P2601 – Coolant Pump Control Circuit Range/Performance

Description

The ECM detects an incorrect range or performance in the coolant pump control circuit.

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Symptoms

  • Overheating
  • Reduced power
  • Check engine light

Causes

  • Faulty coolant pump
  • Wiring faults
  • ECM issue

Diagnosis

  • Check coolant pump
  • Inspect wiring
  • Test ECM

Repair

  • Replace coolant pump
  • Repair wiring