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- Scripts work only with original devices iProg Pro
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Processing Time: From a few hours up to several days.
Scripts are created individually by different third-party developers, so fulfillment speed depends directly on their current workload.
Renesas V850E Dx3 Locked UART Script for iProg Pro
Professional solution for reading and writing secured Renesas V850E Dx3 Secured / Locked & Unlocked MCUs via UART. Engineered specifically for automotive electronics specialists, cluster repair technicians, and ECU/BCM cloning workflows, this tool eliminates the need for expensive third-party hardware or complex add-on boards.
The script only works with original iProg Pro programmer! Please write Serial Nber and UID in the order.

Key Capabilities & Features
- Direct UART Connection: Reads and writes CodeFlash directly over standard UART interface lines using standard iProg Pro pinouts.
- No Extra Hardware Required: 100% standalone operation. Works without Raspberry Pi, external glitch boards, or secondary adapters.
- Advanced Security Bypass: Features a custom-engineered algorithm designed to bypass factory security protection bits seamlessly without data corruption.
- Unencrypted Clean Dumps: CodeFlash read/write operations produce fully decrypted, open binary files (.bin) ready for instant hex editing, calibration, or cloning.
- Full Chip Erase & Protection Control: Includes functions for complete chip erasure and configuring MCU security lock bits.
- Emergency Unbrick Procedure: Integrates a specialized erase routine offering recovery potential even on heavily secured MCUs with the Disable Chip Erase bit activated.
- Auto-Detection: Automatically identifies connected MCU models and configures CodeFlash buffer memory boundaries
Supported Microcontrollers (Renesas / NEC V850E Dx3 Family)
- uPD70F3416
- uPD70F3417
- uPD70F3421
- uPD70F3422
- uPD70F3423
- uPD70F3424
- uPD70F3425
- uPD70F3426
Automotive Applications
Renesas V850E Dx3 microcontrollers are widely utilized in automotive electronic modules across modern vehicles, including:
- Digital and analog instrument clusters (dashboards)
- Body Control Modules (BCM) and convenience units
- Immobilizer, gateway, and chassis control systems
Whether cloning a water-damaged BCM, swapping a malfunctioning instrument cluster, or preparing virgin dumps, this script provides direct binary dumps without desoldering delicate pins or lifting micro-leads.
Open the program and click “Help” -> “About”.

Copy data from the program when placing an order

After completing the order, you will receive files, they must be added to the Scripts folder..

Launch the program and on the left side of the screen you will see the added scripts.

1. No Refunds or Modifications for Digital Licenses
Activated modules or licenses cannot be returned or refunded.
If an incorrect key or device number is entered by the customer, the purchase is not eligible for return.
Licenses cannot be modified, transferred, or reissued for another device under any circumstances.
2. Irreversible Order Processing
After the order status changes to “Waiting for activation”, the data has already been sent to the developer.
From this point onward, the order cannot be canceled, edited, corrected, or refunded.
3. Responsibility for Software Functionality
Our store is not responsible for the functionality, performance, or declared features of any software module.
We do not guarantee the listed functions because we are not the developer.
4. Accuracy of Product Information
Module and script descriptions are provided directly by the manufacturer.
IOBD.io is not responsible for any inaccuracies, missing details, or differences between the description and actual operation.
In disputed situations regarding functionality or listed features, the customer must contact the manufacturer.
5. Customer Responsibility for Installation
IOBD.io sells professional automotive diagnostic software and equipment.
Installation, setup, configuration, and compatibility checks must be performed by the customer.
We do not provide remote installation, programming, or setup services unless explicitly stated otherwise.
6. Required Technical Knowledge
These products are intended for users with basic technical knowledge in automotive diagnostics.
The customer is fully responsible for understanding the installation process and using the software and hardware correctly.
7. No Liability for Incorrect Usage
IOBD.IO is not responsible for issues caused by:
incorrect installation
unsupported or incompatible hardware
improper configuration
third-party interference