P1589 – Throttle Motor Protection Active (Nissan)

Description

The ECM detected activation of throttle motor protection mode.

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Symptoms

  • Limp mode
  • Poor acceleration

Causes

  • Motor overheating
  • Mechanical binding
  • ECM protection

Diagnosis

  • Check motor temperature
  • Inspect throttle body
  • Scan throttle data

Repair

  • Replace motor
  • Clean throttle body