ISO 11992-4:2023
Road vehicles — Interchange of digital information on electrical connections between towing and towed vehicles — Part 4: Diagnostic communication

Standard No.

ISO 11992-4:2023

Release Date

2023

Published By

International Organization for Standardization (ISO)

Latest

ISO 11992-4:2023

Scope

This document specifies diagnostic application requirements and OSI-layer related communication profiles to ensure the interchange of digital information between towing and towed vehicles with a maximum authorized total mass greater than 3500 kg. The conformance and interoperability test plans are not part of this document.

ISO 11992-4:2023 Referenced Document

• ISO 11992-1 Road vehicles — Interchange of digital information on electrical connections between towing and towed vehicles — Part 1: Physical and data-link layers
• ISO 11992-2:2023 Road vehicles — Interchange of digital information on electrical connections between towing and towed vehicles — Part 2: Application layer for brakes and running gear
• ISO 11992-3:2021 Road vehicles — Interchange of digital information on electrical connections between towing and towed vehicles — Part 3: Application layer for equipment other than brakes and running gear
• ISO 14229-1 Road vehicles — Unified diagnostic services (UDS) — Part 1: Application layer — Amendment 1
• ISO 14229-2 Road vehicles — Unified diagnostic services (UDS) — Part 2: Session layer services
• ISO 14229-3 Road vehicles — Unified diagnostic services (UDS) — Part 3: Unified diagnostic services on CAN implementation (UDSonCAN)
• ISO 15765-2 Road vehicles*， 2024-02-01 Update
• ISO 15765-5 Road vehicles — Diagnostic communication over Controller Area Network (DoCAN) — Part 5: Specification for an in-vehicle network connected to the diagnostic link connector*， 2023-10-01 Update

ISO 11992-4:2023 history

• 2023 ISO 11992-4:2023 Road vehicles — Interchange of digital information on electrical connections between towing and towed vehicles — Part 4: Diagnostic communication
• 2014 ISO 11992-4:2014 Road vehicles - Interchange of digital information on electrical connections between towing and towed vehicles - Part 4: Diagnostic communication
• 2006 ISO 11992-4:2005/Cor 1:2006 Road vehicles - Interchange of digital information on electrical connections between towing and towed vehicles - Part 4: Diagnostics; Technical Corrigendum 1
• 2005 ISO 11992-4:2005 Road vehicles - Interchange of digital information on electrical connections between towing and towed vehicles - Part 4: Diagnostics