what is U1000 Controller Area Network Communications Circuit means?


Asked by May 02, 2013 at 04:51 AM about the 2006 Nissan Altima

Question type: Maintenance & Repair

2 Answers


Usually the problem is poor harness ground connection. The service bulletin suggest cleaning engine and body harness ground connection to repair problem. You can find a copy of the service bulletin here: http://helpforcars.net/obd_codes/u1000_nissan.html

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It means there is a problem with the communication circuit between modules. And as tenspeed has put twice now there is a service bulletin that may help the concern.

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