P1545 – Throttle Control Forced Idle (Nissan)

Description

The ECM detected activation of forced idle mode in the throttle control system.

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Symptoms

  • Limp mode
  • High idle

Causes

  • Motor fault
  • Sensor mismatch
  • ECM protection

Diagnosis

  • Check throttle motor
  • Inspect sensors
  • Scan throttle data

Repair

  • Replace motor
  • Repair wiring