Nissan Inhibitor Switch - P/N # 31918-X0106

The Nissan Inhibitor Switch (P/N 31918-X0106) is a genuine OEM component that plays a critical role in your automatic transmission system. The inhibitor switch, sometimes called a neutral safety switch or transmission range sensor, communicates the current gear selector position to the engine control unit and starter circuit. A faulty inhibitor switch can cause symptoms such as the engine failing to start in Park or Neutral, the vehicle starting in gear, incorrect gear position displayed on the instrument cluster, or erratic transmission behaviour. Replacing it with a genuine Nissan part ensures the correct signal characteristics and connector fitment for a reliable, long-lasting repair.

Specifications

Compatibility

This switch is intended for Nissan vehicles that list part number 31918-X0106 as the correct inhibitor switch. Please verify your vehicle's part number against your owner's manual, a Nissan dealer parts catalogue, or a trusted parts compatibility tool before purchasing to confirm this is the correct component for your application.

Usage

Installation should be carried out by a qualified automotive technician. The gear selector must be in the correct position during installation and adjustment to ensure the switch is indexed accurately. After fitting, verify correct operation by confirming the engine starts only in Park and Neutral, and that the gear position indicator displays the correct range throughout the selector travel. Some vehicles may require a switch adjustment procedure; refer to the applicable Nissan workshop manual for your model.