P1773 – Step Motor Circuit (Nissan)

Description

The ECM detected a malfunction in the CVT step motor circuit.

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Symptoms

  • Limp mode
  • Poor acceleration

Causes

  • Open circuit
  • Short to ground
  • Motor failure

Diagnosis

  • Check wiring
  • Inspect connectors
  • Scan CVT data

Repair

  • Repair wiring
  • Replace motor