P1511 – Throttle Control Motor Range/Performance (Nissan)

Description

The ECM detected a throttle control motor range/performance fault.

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Symptoms

  • Hesitation
  • Poor drivability

Causes

  • Motor wear
  • Wiring issue
  • ECM logic fault

Diagnosis

  • Check motor movement
  • Inspect wiring
  • Scan throttle data

Repair

  • Replace motor
  • Repair wiring