Question about 2003 Nissan Sentra
It may mean the connector for your ECM Unit is not secure
Posted on Sep 11, 2009
Go to google search and put in codes one at a time solution will appear or roper diag
Posted on Sep 13, 2009
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Posted on Jan 02, 2017
U1001-This Relates to CAN communication line - signal malfunction
This code usually is in regards to the code reader unable to communicate correctly.
Is the vehicle operating correctly?Is the engine check or any other light up?If not ignore,just get the garage to clear the code if it will.
I hope this helps.if needed get back to me with findings,and I will do some checks myself on this to be 100%
Posted on Apr 02, 2011
I would check that spark plug, and have that coil checked or replaced. Also check for any vacuum hose leaks in the area of the cylinder.
Posted on May 12, 2010
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