Garmin is putting an OBDII scan tool in their Nuvi series this year 
Garmin communicates with your car via ESP | SEMA show - CNET Reviews
I hope they are smart enough to include gear/wheel size change factors like scangaugeII. That would be a huge omission for Mudders.
Heres some more pictures, looks like the cable will sell in March for $150, which beats the price of scanguageII if you already have a Nuvi!
http://www.gpscity.com/garmin-ecoroute-esp-cable-bluetooth.html
Garmin communicates with your car via ESP | SEMA show - CNET Reviews
I hope they are smart enough to include gear/wheel size change factors like scangaugeII. That would be a huge omission for Mudders.
Heres some more pictures, looks like the cable will sell in March for $150, which beats the price of scanguageII if you already have a Nuvi!
http://www.gpscity.com/garmin-ecoroute-esp-cable-bluetooth.html
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