UDS Protocol Stack

UDS Protocol Stack

iWave offers the UDS Protocol Stack for client and server based on the ISO 14229 protocol to enable UDSonCAN and UDSonIP. The Unified Diagnostic Services is an automotive standardized protocol that provides a common application layer for a wide range of low layer protocols like ISO 15765 (ISO-TP), Ethernet, and K-Line. The iWave UDS stack provides easy APIs for handling the diagnostics services as it implements both the application layer (ISO 14229-1) and session layer (ISO 14229-2). The iWave UDS stack provides a robust and effective way to communicate with the vehicle ECUs and carry out diagnostics. iWave has designed the stack to be fully customizable, allowing users to specify feature sets and fine-tune the stack to meet the end application requirements.

  • Diagnostics Service

  • Data Communication



User Manual


  • Supported Platforms

    • NXP i.MX 8 application processor
    • NXP i.MX 6 application processor
    • Other ARM platforms
  • Memory Requirements

    • ROM: 80kb
  • UDS Stack Solution Package

    • APIs to communicate to vehicle ECU for diagnostic purpose
    • UDS stack will support to communicate through CAN
  • UDS Stack features

    • Provides access to diagnostics services offered by vehicle ECUs
    • Fault detection in Vehicle ECUs
    • Allows to perform diagnosis on faulty ECUs
    • Diagnostic Trouble Codes collection and analysis
    • UDS stack is platform-independent
    • Enables UDSonCAN and UDSonIP
    • Common application layer for low layer protocols like ISO-TP,        Ethernet, K-Line
    • Implements application (ISO 14229-1) and session (ISO 14229-2)  layer
    • Setting of vehicle-specific configuration
    • Access to the vehicle ECU for Input/output control
    • Collection of real-time vehicle engine data
    • Configurable UDS service based on the requirements
    • Easy to use API


Connected Automotive Solutions Expertise

Getting started with TCU: Part 1

Getting started with TCU: Part 2

Why harness cable approach for TCU?


  • Supports on various ARM processors
  • Robust API’s which are easy to integrate 
  • Porting support for newer version of the software
  • MISRA C compliant
  • End to End solution offering

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