Hyundai H-1 Fuse Box Front Relay Engine Control Unit Module ECU 91401-4H161

The Hyundai H-1 Fuse Box Relay Module ECU is a factory electrical system component designed for installation in the front of the vehicle. It is responsible for power distribution and managing relays that control key systems, including the ECU engine electronics. As an original Hyundai component, it ensures proper fit with the wiring harness and electrical architecture of the H-1 model.

Specifications and technical data

• SKU: 914014H161
• Mark: Hyundai
• Condition: Used
• OEM Part Number: 914014H161
• Substitutable numbers: 914014H161, 91401-4H161
• Location on the vehicle: Front
• Category: Fuses & Fuse Boxes

Function and Role in the Hyundai H-1 Electrical System

The fuse box with the ECU relay module in the Hyundai H-1 serves as the central power distribution point in the front of the vehicle. It protects circuits responsible for, among other things, the operation of the engine control unit, the starting system, basic consumers, and selected comfort systems.

Its placement in the front of the vehicle facilitates service access while allowing for optimal routing of electrical harnesses. The module's design is engineered for resistance to typical engine compartment operating conditions, such as temperature changes or increased humidity.

Module Construction and Benefits of Using OEM Parts

The original Hyundai fuse box is designed as an integrated assembly of fuse sockets and relays that work with the ECU. The arrangement of connectors, sockets, and mounting points corresponds to the vehicle's factory configuration, allowing for installation without modifications to the existing system.

Using an OEM Hyundai component means:

• correct fit with the factory wiring harness,
• compliance with load parameters specified by the manufacturer,
• preservation of the original protection logic and ECU relay control,
• minimization of communication errors within the vehicle's electrical network.

Purpose, Installation, and Diagnostics

This module is intended for operation in the front of the Hyundai H-1, within the power and control system area. Replacing the fuse box is recommended in cases of mechanical damage, signs of overheating, contact corrosion, or power supply issues to individual circuits.

When installing, pay attention to:

• checking the condition of connectors and pins in the vehicle's harness,
• proper seating of the module in the factory mounting points,
• recreating the fuse and relay configuration according to service documentation,
• performing electrical diagnostics after installation (checking power supply to the ECU and key circuits).

A correctly selected fuse box with an ECU relay module helps to reduce hard-to-locate electrical faults and restore stable operation of control systems.

Benefits of Using an Original Hyundai Fuse Box

Choosing an original module from the Fuses and Fuse Boxes category for the Hyundai H-1 is a solution that maintains the integrity of the entire electrical system. The component is designed to work with the factory ECU, reducing the risk of incorrect protection operation, random power outages, or communication errors.

For workshops and users, this means:

• easier diagnostics based on factory diagrams,
• predictable electrical system behavior after replacement,
• no need for harness adaptation or the use of additional adapters.

If you are planning a comprehensive repair or upgrade of the electrical system in the front of your Hyundai and need other parts from the same group, such as additional boxes, relay modules, or fuse housings, check the available parts in the Hyundai Fuses and Fuse Boxes category.

To compare solutions used in other brands and to better understand the role of electronic modules in modern cars, it is worth reading the article describing the operation of iDrive systems and controllers in BMW – you can find it here: how to care for iDrive systems and electronic modules in BMW using used parts.