The scope of the document is to define the cyber-security best practices to reduce interference with normal vehicle operation, or to minimize risk as to unauthorized access of the vehicle's control, diagnostic, or data storage system; access by equipment (i.e., permanently or semi-permanently installed diagnostic communication device, also known as dongle, etc.) which is either permanently or semi-permanently connected to the vehicle's OBD diagnostic connector, either SAE J1939-13, SAE J1962, or other future protocol; or hardwired directly to the in-vehicle network. This document only specifies requirements and guidance for those diagnostic communication devices and not for the vehicle. Refer to SAE J3138 for requirements for the vehicle side.
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Permanently or Semi-Permanently Installed Diagnostic Communication Devices
Optional Pass-Thru Features
Diagnostic Communication with Road-Vehicles and Non-Road Mobile Machinery
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