OBDII Scanner, CarMD .. Anyone used this? - Mercedes-Benz Forum
 
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#1 (permalink) Old 12-27-2010, 12:09 PM
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OBDII Scanner, CarMD .. Anyone used this?

CarMD.com

It says it is good for powertrain, body and chassis codes.

My Expedition ABS light is on and I have replaced three sensors and no luck. The quotes I get around town to read the code is $90.00 and this is $119.00. I figure if I need the reading I might get this and use it on all the cars if it's worth it.

You read the car then plug it into your computer and it gives you readouts of the repairs, costs, etc.

What do you think?
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#2 (permalink) Old 12-27-2010, 12:32 PM
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No familiar with CarMD so don't know what it can do or what car it can work with.
If it claims to work with ALL CARS, then chances are it is only a generic OBD-II scanner with memory to feed into your computer to look up the code online etc.

OBD-II are a set of generic spec apply to all cars sold in USA since 1996, mainly dealing with emission related data. Smog Test Stations would have testers that plugs into the OBD-II port for testing.

Other parts of the car is specific to that manufacturer or model so will require specific scanner like STAR and Carsoft-7.4 for MB or VAG for VW/Audi etc.

Take your Expedition to AutoZone and they should scan its OBD-II for you free. But don't know if OBD-II can access your ABS controller or not.
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#3 (permalink) Old 12-27-2010, 12:44 PM
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Thanks, RKH, that's what I was thinking but I looked up MB on their site and it is good for all functions. I thought it would be manufacturer specific also, maybe it's a ripoff.

That is still my main concern with a generic scanner, reading the ABS controller. But, this one says it does. AutoZone, etc can't read those, you're right, I checked.
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#4 (permalink) Old 12-27-2010, 01:16 PM
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I think there are several spare pins in the OBD-II connector that different car manufacturer can make use of so that their specific scanners can access their respective data. So conceivably 'smart' scanners can do more via the OBD-II port.
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