Name: ISO 13185-2:2015 — Intelligent transport systems — Vehicle interface for provisioning and support of ITS services — Part 2: Unified gateway protocol (UGP) requirements and specification for vehicle ITS station gateway (V-ITS-SG) interface
SKU: ISO 13185-2:2015
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Abstract

Overview

ISO 13185-2:2015 - Intelligent transport systems: Unified Gateway Protocol (UGP) defines an ASN.1-based protocol for communication between a vehicle ITS station gateway (V-ITS-SG) and a nomadic or mobile device (ND). The standard specifies UGP requirements and message structures to support wired or wireless connections for exchanging vehicle information. Key capabilities include authorization and secured access, identification of V-ITS-SG and in-vehicle ECUs, and delivery of real-time and enhanced vehicle data parameters encoded in ASN.1.

Key Topics and Technical Requirements

UGP application layer services: service primitives, confirmed services, and format descriptions for request/response flows.
ASN.1 message model: common message data structures and an ASN.1 schema for encoding UGP messages.
UGP service clusters (documented clusters include):
- Global services (e.g., Reset, StopService, global positive/negative replies)
- Authentication (AuthenticationCall/Reply and related error handling)
- Supported data discovery (GetSupportedDataCall/Reply)
- Data parameter access (GetValue, SetValue, ControlValue including synchronous/asynchronous and monitor modes)
- Diagnostic trouble code (DTC) access (GetDtcInfo, ClearDtcInfo)
- In-vehicle network access (EnablePassThru for pass-through access)
Message handling features: scheduled and global reply handling, mandatory parameters, error handling and examples.
Security and privacy: mechanisms for authorization and secured access between ND and V-ITS-SG to protect vehicle data.

Practical Applications and Users

ISO 13185-2 is targeted to organizations implementing vehicle-to-device interfaces and ITS services, including:

Automotive OEMs and Tier‑1 gateway suppliers implementing V-ITS-SG modules and ECU identification.
Telematics and connected‑car platform providers building secure data-access APIs for nomadic devices/apps.
Mobile app developers and service integrators needing standardized vehicle data access (real-time parameters, enhanced data).
Fleet operators, remote diagnostics and maintenance service providers who require secure retrieval of vehicle status and DTCs. Use cases include secure vehicle data provisioning, remote diagnostics and maintenance, telematics data collection, fleet monitoring, and controlled pass‑through access to in‑vehicle networks.

Related standards and technologies

ISO 13185-2 complements other ITS and vehicle interface standards and relies on ASN.1 encoding for message serialization. Implementers should consider this standard alongside broader ITS system architecture and in‑vehicle network/diagnostic standards when designing secure vehicle-data services.

For the authoritative text and normative details, obtain ISO 13185-2:2015 from the ISO catalogue or your national standards body.

ISO 13185-2:2015

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Abstract

Overview

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Practical Applications and Users

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