Genuine Hyundai Tucson NX4 Engine ECU 39120-2MNA0 | OEM

Genuine Hyundai/Kia Electronic Control Unit (ECU)

New Hyundai/Kia ECU supplied from South Korea.

• Part number: 391202MNA0
• Brand: Hyundai Mobis / Kia
• Condition: New

Vehicle compatibility

Hyundai Tucson NX4 (2021–Present)
Compatibility must be confirmed by OEM part number and VIN before purchase.
Please provide your 17-digit VIN before ordering.

Before ordering

Compare the part number on your existing ECU and confirm vehicle fitment using your VIN. Consult a qualified technician about the programming procedures required for your vehicle before purchase.

ECU Replacement: Programming and Setup

A replacement ECU may require programming and vehicle-specific setup before use. The exact procedures depend on the vehicle specification and must be confirmed by a qualified technician.

1. VIN Entry and Variant Coding

   The replacement ECU may need to be configured with the vehicle's unique 17-character Vehicle Identification Number (VIN). Variant coding may also be required to match the transmission type, 2WD or 4WD configuration, and other vehicle options.

2. Immobilizer and Smart Key Synchronization

   Depending on the vehicle's anti-theft system, the replacement ECU may require synchronization with the immobilizer and existing keys or smart keys before the engine can start.

3. Communication with Other Control Modules

   The technician should verify communication with other vehicle modules, such as the Transmission Control Unit (TCU), instrument cluster, and Body Control Module (BCM), and complete any required configuration or relearn procedures.

Installation Tips and Recommendations

• Professional diagnostic equipment: Programming and setup may require Hyundai GDS Smart or equivalent diagnostic equipment that supports the specific vehicle and required functions.
• Professional installation recommended: Even if you purchase the ECU separately, have replacement and setup performed by an authorized Hyundai service center or a qualified workshop with ECU coding and smart key registration capabilities. Installation and programming may incur separate service charges.

Important

This ECU may require programming, coding, or immobilizer synchronization after installation. Programming requirements vary by vehicle configuration. Please consult a qualified technician before purchase.

Worldwide shipping from South Korea.