DDT4All: Diagnostic Tool for Renault Vehicles
Python tool for Renault/Dacia vehicle diagnostics, ECU modification, and CAN bus communication.
Learn more about DDT4All
DDT4All is a comprehensive vehicle diagnostics application built in Python using PyQt for the GUI interface. It enables direct communication with Electronic Control Units (ECUs) in Renault and Dacia vehicles through OBD-II interfaces and CAN bus protocols. The tool provides capabilities for reading diagnostic trouble codes (DTCs), monitoring real-time sensor data, modifying ECU parameters, and performing advanced vehicle configuration. It supports multiple diagnostic protocols including KWP2000 and UDS, and works with ELM327-compatible adapters. The application includes a database of vehicle-specific diagnostic definitions, parameter definitions, and ECU configurations, making it invaluable for automotive technicians, enthusiasts, and researchers working with Renault vehicle systems.
Complete ECU Access
Provides comprehensive access to all vehicle ECUs with the ability to read and write parameters, clear fault codes, and perform advanced diagnostics. Supports live data monitoring with customizable dashboards for real-time vehicle telemetry. Includes extensive parameter databases for various Renault and Dacia models, enabling deep system configuration and troubleshooting capabilities.
Multi-Protocol CAN Support
Implements multiple automotive diagnostic protocols including ISO-TP, KWP2000, and UDS (Unified Diagnostic Services) over CAN bus. Works seamlessly with affordable ELM327 adapters and professional-grade diagnostic interfaces. Provides low-level CAN frame monitoring and custom request capabilities for advanced users performing reverse engineering or custom diagnostic procedures.
Open Diagnostic Database
Features an extensible XML-based diagnostic database that can be edited and expanded by users. Community-driven database includes thousands of ECU parameters, diagnostic identifiers, and vehicle-specific configurations. Supports creating custom diagnostic screens and parameter groups, enabling users to tailor the tool for specific diagnostic workflows or reverse engineering projects.
from ddt4all import DDT4All
ecu = DDT4All()
ecu.connect(port='/dev/ttyUSB0', baudrate=38400)
# Read engine RPM parameter
rpm_value = ecu.read_parameter('EngineSpeed')
print(f"Current RPM: {rpm_value}")
ecu.disconnect()Top in Mobile & Desktop
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