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Home > General > OBD port security |
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Fear Lender Member Since: 30 Oct 2016 Location: Berkshire Posts: 24 |
Hi all,
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30th Oct 2016 8:44 pm |
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Vanny Member Since: 06 Dec 2015 Location: Cheshire Posts: 437 |
Given that the high speed CAN bus can be picked up as two wires all over the car, I don't think a lock on the OBD2 connection will slow someone down if they've decided to take your car. |
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30th Oct 2016 8:48 pm |
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Fear Lender Member Since: 30 Oct 2016 Location: Berkshire Posts: 24 |
I think it's the amount of time a thief is prepared to stay in car, especially if an alarm is going off. if they can't access the OBD port quickly and recode a key then they'll abort. I doubt they bother trying to connect via any other cables as it would probably take too long. Another post that I've just found covers it...
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30th Oct 2016 9:21 pm |
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alex_pescaru Member Since: 12 Mar 2009 Location: RO Posts: 4642 |
I may be wrong, but to program another key, you'll need an existing, already programmed key, in order to start the "add new key" procedure. |
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30th Oct 2016 9:44 pm |
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npinks Member Since: 28 Jun 2007 Location: Ls25 Posts: 20090 |
on my wife vauxhall corsa, the program keys menu, wipes all keys, they you program the ones you have to hand, we found this out recently as she lost one and the be on the safe side
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30th Oct 2016 9:49 pm |
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ad210358 Member Since: 12 Oct 2008 Location: Here and There Posts: 7464 |
With one of these allegedly they cannot code a another key.
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30th Oct 2016 9:52 pm |
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Vanny Member Since: 06 Dec 2015 Location: Cheshire Posts: 437 |
The later part is the issue though. It is relatively straight forward to bypass the central locking, and open the doors without the alarm going off. Then you have all the time in the world. Fortunately the immobiliser is harder to defeat. There are plenty of places where you can access the HS CAN bus with viper clamps, probably quicker than plugging in to the OBD2 port (well if you always try to plug in upside down first, like me ) Moving the OBD2 port might slow them a little, but if someone has decided they are taking your car, they probably will. |
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31st Oct 2016 8:30 pm |
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Winslet Member Since: 01 Oct 2013 Location: Bedfordshire Posts: 281 |
IIRC the OBD port on a Freelander, although having a live 12V supply when the engine switched off, disconnects the connection to the rest of the car electronics. So unless you have a key to switch on the ignition, you can't do anything useful from the OBD port. Some other vehicles aren't like this, so it is possible to break into the car, connect a laptop through the OBD port and using some software, programme a new key... and off you go. Hence the production of OBD locks to try and prevent access. 2016 BMW X3 30d SE in red
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1st Nov 2016 8:37 pm |
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TheDuh Member Since: 07 Apr 2016 Location: Kuala Lumpur Posts: 23 |
Hi everyone
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16th Dec 2016 9:13 am |
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