BS ISO 11992-4:2023 - Page 2

Road vehicles. Interchange of digital information on electrical connections between towing and towed vehicles. Diagnostic communication | Status: Current

1 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 3 500 kg. The conformance and interoperability test plans are not part of this document.