| Hacking TPMS radio signals [message #267968] |
Sun, 21 December 2014 09:18  |
rcjordan
Messages: 1913
Registered: October 2012
Location: Elizabeth City, North Car...
Karma: 1
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We seem to be Sunday-engineering the future integration of present-day monitoring technology with the GMC over the last day or two. Surviving GMCs are ripe for it, of course. In many cases it will simplify and reduce costs while providing a better -or previously unavailable- system. Just take a look at how much we DON'T need to spend on entertainment systems for the coaches now.
So here is a presentation at the 2013 ToorCon. Proprietary tire monitoring systems ($$$$) are about to go open-source. They just don't know it. Yet.
http://www.rtl-sdr.com/receiving-decoding-tire-pressure-monitor-systems-using-rtl-sdr/
SOLD 77 Royale Coachmen Side Dry Bath
76 Birchaven Coachmen Side Wet Bath
76 Eleganza
Elizabeth City, NC
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| Re: Hacking TPMS radio signals [message #267980 is a reply to message #267968] |
Sun, 21 December 2014 11:51  |
Keith V
Messages: 2337
Registered: March 2008
Location: Mounds View,MN
Karma: 0
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Senior Member |
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I looked into this and decided it isn't worth it.
There are very nice off the shelf units that work very good for our coaches.
Why build when I can buy?
Keith Vasilakes
Mounds View. MN
75 ex Royale GMC
ask me about MicroLevel
Cell, 763-732-3419
My427v8@hotmail.com
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| Re: [GMCnet] Hacking TPMS radio signals [message #267983 is a reply to message #267968] |
Sun, 21 December 2014 12:13 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Very interesting. I really hadn't given any thought to the details of TPMS
operation. I guess I'd just assumed that their transmitter range was the
only discrimination; hadn't even gotten around to considering how they knew
which tire was low.
Far less had I imagined that the TPMS ID's were so unique that they could
be used for vehicle tracking. 1984, Huh?
Ken H.
On Sun, Dec 21, 2014 at 10:18 AM, RC Jordan wrote:
> We seem to be Sunday-engineering the future integration of present-day
> monitoring technology with the GMC over the last day or two. Surviving GMCs
> are ripe for it, of course. In many cases it will simplify and reduce
> costs while providing a better -or previously unavailable- system. Just
> take a
> look at how much we DON'T need to spend on entertainment systems for the
> coaches now.
>
> So here is a presentation at the 2013 ToorCon. Proprietary tire monitoring
> systems ($$$$) are about to go open-source. They just don't know it. Yet.
>
>
> http://www.rtl-sdr.com/receiving-decoding-tire-pressure-monitor-systems-using-rtl-sdr/
> --
> 77 Royale Coachmen Side Dry Bath
> 76 Birchaven Coachmen Side Wet Bath
> Elizabeth City, NC
>
> _______________________________________________
> GMCnet mailing list
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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| Re: Hacking TPMS radio signals [message #267984 is a reply to message #267968] |
Sun, 21 December 2014 16:09 |
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John Heslinga
Messages: 632
Registered: February 2011
Location: Edmonton, Alberta, Canada
Karma: 4
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Senior Member |
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Quote:How does the vehicle know what tire is low?
Each monitor must be registered into the TPMS Module. IT'S position is noted during the registration process. Whenever a TPMS sensor is replaced the Tire Tech goes Through a process of registration with his machine. This is similar to changing radio coded ignition keys. They are identified and Registered into the ECU. The tire Technician needs a computer to rotate your tires in systems that have identified tires. ( how many people knew that huh?) Most don't.
On another note: FINALLY. We are now going to get longer days. Up here in the Great White North.  (Sorry to Rob Mueller and Others, that yours are now going to get Shorter in Sydney ;-( ) Santa is one of my Neighbors and I've Put a good word in for all GMCers across the world  Happy Solstice!!
Best regards.
John and Cathie Heslinga
1974 Canyonlands 260
455, Manny tranny and 1 ton, 3:70 LS,
Red Seal Journeyman, DTE, BEd. MEd.
Edmonton, Alberta
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