P1772 – Step Motor Function (Nissan)

Description

The ECM detected abnormal step motor function in the CVT.

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Symptoms

  • Limp mode
  • Harsh shifting

Causes

  • Motor failure
  • Hydraulic issue
  • Wiring fault

Diagnosis

  • Check step motor
  • Inspect wiring
  • Scan CVT data

Repair

  • Replace motor
  • Repair wiring