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Message: <blockquote data-quote="markwj" data-source="post: 5390787" data-attributes="member: 7949">Nasty. So definitely that CAN bus has a problem. It could be either a faulty module (VMS, VDS, Instrument Cluster, TPMS, Diagnostics Connector / OVMS, are all on that bus) or a cabling/connector issue.If you have anything plugged into the diagnostics port, perhaps try to unplug and see if resolves? Other than that, it is going to need a technician to unplug some modules and test the wiring harness, to identify which is causing the problem.FYI: Attached is the CAN bus diagram for the roadster. The instrumentation (aka "Driver Feedback") is shown in light blue, bottom right. When the touch screen (aka VDS) can't communicate with the VMS, it outputs that error.[ATTACH=full]644499[/ATTACH]</blockquote>