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ISO 11992 is a CAN based vehicle bus standard by the heavy duty truck industry. It is used for communication between the tractor and one or more trailers. Its full title is "Road vehicles -- Interchange of digital information on electrical connections between towing and towed vehicles".
- ISO 11992-1:2003 - Part 1: Physical and data-link layers
- ISO 11992-2:2014 - Part 2: Application layer for brakes and running gear
- ISO 11992-3:2003 - Part 3: Application layer for equipment other than brakes and running gear
- ISO 11992-4:2014 Part 4: Diagnostic communication