GAZ Itelma SPC57D54 JTAG Script for Original iProg Pro
This premium iProg Pro script is specifically developed for reading, writing, and calibrating instrument clusters manufactured by Itelma for GAZelle NN vehicles. The script provides complete support for dashboards built on the advanced SPC57D54 microcontroller.
The script only works with original iProg Pro programmer! Please write Serial Number and UID in the order.

This script establishes a highly stable and reliable connection directly through the dashboard's service connector using the JTAG interface. This ensures safe data transmission, preventing MCU locking or data corruption during the programming process.
Key Features & Capabilities
- Hardware Support: Exclusively designed for the Original iProg Pro programmer.
- Target MCU: Full read/write capabilities for Itelma SPC57D54 processors.
- Vehicle Compatibility: Perfect for new-generation GAZelle NN commercial vehicles.
- Safe Connection Method: Works via the cluster's pinout service connector utilizing the secure JTAG interface.
- Precise Calibration: Edit mileage, adjust odometer data, and work with DFlash dumps safely.
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