P1815 – A/T Shift Lock Control (Nissan)

Description

The ECM detected a malfunction in the A/T shift lock control system.

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Symptoms

  • Shifter stuck
  • Warning light

Causes

  • Solenoid failure
  • Wiring issue
  • Brake switch fault

Diagnosis

  • Check shift lock solenoid
  • Inspect wiring
  • Scan TCM data

Repair

  • Replace solenoid
  • Repair wiring