OBD2 Protocol Stack

Name: OBD2 Protocol Stack
Brand: iWave Global
Availability: InStock

OBD 2 Protocol Stack iWave offers a comprehensive OBD2 Protocol Stack based on the ISO 15031 standard, enabling seamless vehicle diagnostics and real-time data retrieval. The OBD2 stack facilitates communication between vehicle ECUs and external applications, providing access to essential vehicle parameters, Diagnostic Trouble Codes (DTCs). The OBD2 system collects real-time vehicle data through the CAN bus, allowing it to monitor important details like engine speed, fuel usage, and vehicle performance. The iWave OBD2 stack is designed to support key diagnostic protocols, including ISO 15031-5 (application layer), ISO 15765-4 (transport layer), and ISO 11898-1 (data link layer), ensuring full compliance with OBD2 standards. With an intuitive API, the stack allows easy integration into automotive applications, enabling real-time monitoring, predictive maintenance, and fleet management solutions.

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Features	Details
OBD2	Provides access to diagnostic services offered by vehicle ECUs Fault detection in vehicle systems and components Enables real-time vehicle diagnostics and performance monitoring Diagnostic Trouble Codes (DTCs) collection and analysis – Reads and clears fault codes Reads both emission-related and non emission-related vehicle data Tracks and controls emissions to follow environmental rules Supports OBD2 services (0x01 – 0x0A) for accessing vehicle health data Ensures seamless communication over CAN bus (ISO 11898-1) Implements the ISO 15031-5 application layer, supporting standardized vehicle diagnostics Supports the ISO 15765-4 transport layer for efficient message transmission Enables real-time data collection of critical vehicle parameters (RPM, Speed, Fuel Status, etc.) Configurable OBD2 services based on specific application requirements Easy-to-use API for seamless integration with automotive and telematics applications Stores received vehicle data in JSON and other standard formats for easy processing Sends vehicle data to the cloud for remote diagnostics and fleet management
Supported Platforms	A comprehensive interface to configure, monitor, and manage all 8 NXP i.MX 9 Application Processor NXP i.MX 8 Application Processor NXP i.MX 6 Application Processor Other ARM-based platforms
OBD2 Stack Solution Package	C-based stack designed for compatibility with Linux OS. APIs for seamless communication with vehicle ECUs for diagnostics. Supports communication through CAN (ISO 11898-1 & ISO 15765 4). Fully customizable and scalable for various automotive use cases.
Value Proposition	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

Diagnostics Service With the increasing complexity of modern vehicles, efficient diagnostics are essential for identifying and resolving issues. On-Board Diagnostics (OBD2) is the standardized automotive protocol that enables real-time vehicle diagnostics and monitoring. Defined under ISO 15031-5, OBD2 is widely adopted by automobile manufacturers to provide a universal system for diagnosing vehicles across different brands.

The OBD2 system provides access to both emission-related and other vehicle data. It helps meet environmental rules and track performance. By reading Diagnostic Trouble Codes (DTCs), users can quickly find problems, check vehicle health, and perform maintenance to prevent bigger issues.

OBD2 Data Communication

The OBD2 protocol follows a structured communication model where the vehicle acts as a Server, and the diagnostic device (scanner, telematics unit, or mobile app) acts as a Client. The protocol enables communication over CAN (ISO 15765-4) and other transport layers, allowing seamless data exchange for vehicle diagnostics.

OBD2 stack provides a robust and efficient way to request and retrieve vehicle diagnostic data, including engine parameters, sensor values, and fault codes. The communication process allows clients to: