P1777 – Step Motor Performance (Nissan)

Description

The ECM detected poor performance of the CVT step motor.

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Symptoms

  • Limp mode
  • Poor acceleration

Causes

  • Motor wear
  • Hydraulic issue
  • Wiring fault

Diagnosis

  • Check motor operation
  • Inspect wiring
  • Scan CVT data

Repair

  • Replace motor
  • Repair wiring