HOPE to See You There

I will be doing a quick 1 hour presentation at this year’s HOPE (Hackers On Planet Earth) conference at the Hotel Pennsylvania in New York, NY July 13-15 (http://www.hopenumbernine.net).  The title will be “Exploited from Detroit.”  I plan to talk about how to get started in Reverse Engineering vehicle network data and give some particle […]

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Fun Diagnostic Services!

Some services are boring.. like really, really, really, boring.. but others can make the car move gauges or make the car’s warning lights light up.  Here is a bit more about these types of services. Stop Normal Communications (GMLAN and Others):This service is fun because you can make the Normal Communications (the ECU to ECU […]

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Common Diagnostic Services

Because diagnostics is really just a simple way to interact with an ECU, there are a few very common diagnostic services that you’ll find in nearly every permutation of diagnostics. Tester Present:Definitely the most common service you’ll find, tester present (typically 0x3E) is used to let the controller(s) know that there is a.. wait for […]

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Service(s) Please

In diagnostic messaging, services are the functions.  Think of each command as a sentence.  The service is the verb. In standard OBDII services are often referred to as Modes.  You can also think of them as functions to be performed by the controller(s) that you are commanding.With diagnostic messages, there is always a command and […]

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Simulate THIS!

  With thousands of data parameters flowing continuously along one or more CAN Buses in any particular vehicle, there is no doubt that finding out what these parameters mean can be very benificial, but, in having the data, you can also use it to simulate what is there. So why would you want to simulate […]

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Network Management – Part 2: OSEK

Let me start out with this statement: my OSEK skills are decent, but I’m not the foremost expert here.  I will tell you what I know and leave it up to you to belittle me in the comment section.  Thank you. The OSEK standard is a large section of documents that cover many, many aspects […]

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