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Mazda5 This new sport van from Mazda offers the interior size and usefulness of a minivan with the feel and spirit of a sport compact.

U0100 u0101

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Old 03-14-2019, 01:25 PM
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Join Date: Jan 2013
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Default U0100 u0101

I have a 2012 Mazda5 with 160k on it. I've had a CEL come on twice in the last week with both AT and TCS lights on and the "D" drive indicator light goes out for minute. After about 30 seconds everything goes back to normal except the CEL. The car seemed to drive fine when this happened. maybe shifted a bit hard. Computer had U0101 for engine and U0100 for AT. I'm thinking maybe bad ground or loose connector. Any thoughts on where this might be?
 
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