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Old 07-18-2008, 07:48 PM   3 links from elsewhere to this Post. Click to view. #1 (permalink)
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Check Engine light: Code U0002

Has anyone had this problem. It occurred a day after picking up my smart. Car drives fine. Have to wait till next Tuesday for service appointment (seems to me there ought to be some priority for a day old new car...oh well)

Cleared the code, but it set again the next day.

- David -

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Old 07-19-2008, 03:41 AM   #2 (permalink)
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Quote:
Originally Posted by getsmartusa View Post
Has anyone had this problem. It occurred a day after picking up my smart. Car drives fine. Have to wait till next Tuesday for service appointment (seems to me there ought to be some priority for a day old new car...oh well)

Cleared the code, but it set again the next day.

- David -
According to the link: Evilution - Smart Car Encyclopaedia
Quote:
Network Generic Trouble Codes

U0001 High Speed CAN Communication Bus
U0002 High Speed CAN Communication Bus (+) Open

Now, you could call your dealer and share... Just a suggestion.
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Old 07-19-2008, 07:03 AM   #3 (permalink)
 
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how do you clear and check the code numbers, I just got the same with 4900 miles.

Scott
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Old 07-19-2008, 10:37 AM   #4 (permalink)
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I have an obd II diagnostic code reader. Bought it at Autozone for my other car. They run any where from about $69 to many dollars depending on the capabilities. There is a connector under the dash (above about where you right ankle would be when your foot is on the gas pedal). It has a little door on it which opens from the top.

BTW, some auto stores will loan out the scan tools for use.

-David -
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Old 07-19-2008, 12:07 PM   #5 (permalink)
 
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thanks for the info, at that price I might jsut buy one for myself, thanks again for the info and the location of the plug.

4900 miles and still like the car, called about getting an orphaned today.

scott
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Old 07-19-2008, 12:40 PM   #6 (permalink)
 
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Quote:
Originally Posted by getsmartusa View Post
I have an obd II diagnostic code reader.

-David -

Good job, Dave. I always advice pple to get their own code reader. It's portable, self-powered and cheap these days.
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Old 07-19-2008, 06:16 PM   #7 (permalink)
 
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If your budget allows, the ScanGauge II costs $159 or less and will read codes and monitor your systems while driving... fuel consumption, water temperature, a bunch of things.

ScanGaugeII - Trip Computers + Digital Gauges + Scan Tool


Save 10 bucks and get it from Amazon or Thinkgeek.com, or order direct from the maker and get the latest update.
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Old 07-30-2008, 06:56 PM   #8 (permalink)
 
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Totally got that code. I drove through a lake (not really but my first REEEELLLL bad storm) It cleard itself however im still worried. did the dealer tell you anything? only got 300 miles on mine.
Thnx
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Old 01-15-2009, 10:52 PM   #9 (permalink)
 
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check engine light code U0002

most comunication problems are caused by low reference voltage. (weak battery) If your vehicle has the comfort package P51, take your smartie to your nearest dealer for a quick relay update.
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Old 03-13-2009, 07:45 PM   #10 (permalink)
 
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I've had my Smart since Christmas Eve. I've got 6100 miles on it already and got the U0002 error code tonight on my way home from work. :-/

So I assume that-- since this is a low voltage issue-- that it's safe to drive the car until maintenance can be performed? I live 80 miles from the nearest Smart dealership, so I typically wait until Saturdays to get my Smart routine maintenance done (I've already been in once for a bad seat belt sensor). If I wait until next Saturday (March 21st) will my car be damaged any further?

Also, I had a small 8" neon plugged into the cigarette lighter (for floorboard lighting) that had a lose wire (it finally came loose this evening). Would this be the potential source of the problem? Or is this something else? I've removed the neon, just in case.

TIA for your advice and comments.

Jason Huebel
Orange, TX
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LinkBack to this Thread: http://www.smartcarofamerica.com/forums/f4/check-engine-light-code-u0002-11397/
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- 2008 smart fortwo code U0002 - OBD-Codes.com This thread Refback 07-21-2008 03:19 AM

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