DCUFix

Sharing Knowledge & Tools to Save You Money!

An image of the internals of a broken nissan pathfinder screen

DIY Denso DCU Teardown Companion: Thermal Paste & Fan Refurbishment Guide for Quieter, Longer-Lasting Operation

Cleaning the fan and replacing thermal paste in a DCU screen are essential maintenance steps to ensure quiet operation, efficient cooling, and longevity of the device. Symptoms of issues include loud fan noise and sluggish performance. Regular cleaning, especially in vehicles exposed to dust or smoke, is recommended every 2-3 years, utilizing basic tools and supplies.
Shows interior of Nissan Armada Screen

How to Remove the DCU Screen in a Nissan Armada Y62: Step-by-Step Guide

This guide details the step-by-step process for removing the DCU screen from the Y62 Nissan Armada, applicable to models from 2016-2020. It includes necessary tools and parts, time estimates for the task, and instructions for disconnecting and removing components to access the DCU screen, culminating in preparation for MicroSD card replacement.
Photo of the contents of a repair kit purchasable on this website.

Repair Kit Installation Instructions (All Vehicles)

This guide provides step-by-step instructions for installing a MicroSD Card in a DCU after its removal from compatible vehicles. It includes necessary parts, tools, and time estimates, along with tips for careful handling. Users are encouraged to test functionality before final assembly, potentially saving significant repair costs.

DCU SD Card Bounty

The goal is to collect tested SD cards from vehicles with Denso DCUs affected by a design flaw. A bounty program is being established for those willing to send their SD cards for repair. Participants can receive a functional card in exchange, although repair is not guaranteed. Join the Discord or submit a contact request for further details.
Photo of a Nissan Pathfinder Screen Not Working, with an oscilloscope diagnosing CAN Bus signals.

Denso DCU Fix – DIY Free Version

Diagnosis: This guide aims to fix the common issue with the any vehicle that uses the Denso Display Control Unit Screen (Or DCU Screen) as it’s infotainment unit. This includes but is not limited to, the R52 Nissan Pathfinder, Y62 Nissan Armada, Infiniti Qx80 (Most of the Infiniti lineup from 2013-2022), and possibly some Toyota
Photo of Nissan Pathfinder on Vancouver Island Beach with Snowy Mountains in the background

DCU Fix – Repair Kit Version (R52 Pathfinder)

This guide offers detailed instructions for replacing the MicroSD card in the DCU of a R52 Nissan Pathfinder (2013-2022). It outlines required tools, parts, and a step-by-step process for disassembly and reassembly. You can purchase pre-built SD cards, recover images, or seek assistance in our Discord.
Have no product in the cart!
0