HITACHI MEC30 Immo Off: NISSAN

Immo MEC30-XXX Hitachi

Manufacturer: NISSAN

Brand: HITACHI

Models: MEC30-XXX

Function: Immo off

Emulator: No

Remove immobilizer on Hitachi MEC30 ECUs in Nissan vehicles

If you’re working on a Nissan equipped with a Hitachi MEC30 ECU—like the Almera N16, Avenir W11, or Primera P12—you may encounter start-up issues due to a locked immobilizer. This guide explains how to perform a reliable immo off procedure using the CK Decode software, allowing you to restore engine function without needing a matching key or emulator.

Compatible with a wide range of MEC30 ECU part numbers (MEC30-010 to MEC30-260), this method is ideal for workshops handling Nissan petrol engines like the QG15DE, QG18DE, or SR20DE. Whether you’re replacing the ECU or lost the original keys, this solution ensures fast and permanent immobilizer deactivation.

We’ll walk you through each step—from reading the MPC data to writing the modified file back. This is a pure software-based solution, perfect for professional remappers and ECU technicians.

How to immo off MEC30: step by step with CK Decode

CK Decode offers a reliable immo off file service designed for automotive professionals. The platform allows users to work with various ECUs, including the Hitachi MEC30-XXX, in just a few clicks. Whether you’re repairing or tuning, immo off helps you avoid unnecessary complications and downtime.

To disable the immobilizer on a Hitachi MEC30 ECU using CK Decode, follow these simple steps:

  • Download CKDecode through this link
  • Click on the Functions Tab and select NISSAN – HITACHI – MEC30-XXX – Immo off
  • Read MPC with your interface and upload the file
  • Click Process button
  • Write the file processed by CKDecode

Some supported models:

  • MEC30-010
  • MEC30-020
  • MEC30-030
  • MEC30-040
  • MEC30-110
  • MEC30-120
  • MEC30-140
  • MEC30-150
  • MEC30-160
  • MEC30-200
  • MEC30-260