UDS Decoder

Unified Diagnostic Services is a standardized diagnostic communication protocol used in automotive electronic control units (ECUs). It provides a universal language for diagnostic testers to communicate with and retrieve information from vehicle ECUs, enabling functions like fault code reading, data parameter monitoring, and ECU reprogramming. UDS is defined by the ISO 14229 standard and forms the backbone of modern automotive diagnostics

OBD-II (On-Board Diagnostics II) is a standardized automotive system that allows external diagnostic tools to communicate with a vehicle's computer (ECUs), it provides access to DTC, Real-time data and vehicle information.

Enter payload data in hexadecimal format to decode UDS messages.

Examples:

  • 62F40C1F40F40D10 - UDS Service 22 - Read Data By Identifier - Response
  • 010C - OBD-II Service 01 - PID 0C - Request
  • 410C0F1C - OBD-II Service 01 - PID 0C - Response
  • 43001123 - OBD-II Service 03 Show stored Diagnostic Trouble Codes