Machines | CAN BUS Reverse Engineering (Sniffing Packets)
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What is the simplest method to sniff packets from the car, what signal processing is required for say a serial (DB9?) connector on a laptop? I have a bmw and the wipers are unresponsive but can be activated in software, also has some other issues but I'm looking for the simplest method to view button presses of wipers / steering wheel radio buttons in / On the Can bus network, it would greatly speed up diagnostics, as even all the BMW software i have, I cant find a simple function to view raw can bus data or get any indication of button presses.
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Hi!
Is on your car OBD connector pin 6 and pin 14 connected directly to the data network of you car or is it going through a diagnostic interface first?
I try to do OBD sniffing on my VW Polo but no chance. Even if I hook up my DSO to the pin 6 and 14 on the OBD connector I cant read any CAN signals...
I don't know why. :-(