SAE Standards Works
Data Link Connector Vehicle Security Committee
J3138 - Diagnostic Link Connector Security
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Diagnostic Link Connector Security
<p>This document describes some of the actions that should be taken to help ensure safe vehicle operation in the case that any such connected device (external test equipment, connected data collection device) has been compromised by a source external to the vehicle. In particular, this document describes those actions specifically related to SAE J1979, ISO 15765, and ISO 14229 standardized diagnostic services.</p> <p>Generally, the following forms of communication bus connection topologies are used in current vehicles:</p> <p>a. Open access to communication buses</p> <p>b. Communication buses isolated via a gateway</p> <p>c. Hybrid combinations of a. and b.</p>
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