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ISO 11992-4:2023
Road vehicles - Interchange of digital information on electrical connections between towing and towed vehicles - Part 4: Diagnostic communication
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 3 500 kg.
The conformance and interoperability test plans are not part of this document.
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International Organization for Standardization [iso]
International Organization for Standardization [iso]