Question about 2005 Nissan Maxima

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SES light just came on. Jiffy Lube said their free diagnostic tester gave a U1000 code that they have not seen before. Took car to dealer today for recall fix & told them about U1000 code. Said th

SES light on. U1000 code appears on diagnostic test @ Jiffy Lube. What does it mean? They have not seen that code before. I tightened gas cap, it was lose. Waiting on dealer to give me an ear-full of problems. help!

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U1000 indicates a communications problem to the PCM (main computer) below is a post from the http://nissanhelp.com forum made by a Nissan Tech with step by step instructions on how to possibly fix the problem yourself. Best of luck.
Greg
http://x.nissanhelp.com/forums/maxima/3884-05-maxima-u1000-code.html


Posted on May 21, 2009

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U 1000 is a communication fault code

Posted on May 21, 2009

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The U1000 code means that there is a communication problem between the control units of your Quest. One of the control units is not working properly or at some point it didn't work. There is bulletin for the problem that suggests cleaning and re-tighten the body harness ground may take care of the problem. Here is the bulletin: Knowledgebase - 2005 Quest - Nissanhelp.com.  
This is something that you are more than likely going to have to take to a mechanic to fix.  Good luck and thanks for an honest rating and for using FixYa.

Posted on May 21, 2009

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