P1518 – Throttle Control Motor Stuck (Nissan)

Description

The ECM detected a throttle control motor stuck in an incorrect position.

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Symptoms

  • No acceleration
  • High idle

Causes

  • Motor failure
  • Carbon buildup
  • Wiring issue

Diagnosis

  • Inspect throttle body
  • Check wiring
  • Scan throttle data

Repair

  • Clean throttle body
  • Replace motor