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Chris(aka-Moose), Nissan Technician
Category: Nissan
Satisfied Customers: 621
Experience:  16 years of experience
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I have a 2006 Nissan pathfinder, I can get it to start and

Customer Question

I have a 2006 Nissan pathfinder, I can get it to start and run briefly, but it won't start again, and the transmission won't kick in and shift I'm getting U1000 code, I have ecm relay replaced, new battery, new key programmed, and I know the U1000 code is a networking code but nothing seems to keep it running perfectly, we bought it about a month ago from an auction, it has new fuel pump
Submitted: 10 months ago.
Category: Nissan
Customer: replied 10 months ago.
I've checked all fuses and relays
Expert:  david craig replied 10 months ago.

Hi Im David, U1000 is for poor communication of the control modules
The can system is the (control area network) the communication of all the control units , the can code for your truck is a common type of problem, there is a repair bulletin for this the grounds on the dash harness are not tight and will trip this code, I have not seen it cause a problem you can reset the code it might not come back on again, if it does the dash will have to be removed and tighten all the harness grounds and clean them

Expert:  david craig replied 10 months ago.

just checking in to see how its going

Expert:  david craig replied 10 months ago.

do you still need assistance??????

Expert:  Jay replied 10 months ago.

Hello my name is ***** ***** thank you for your question

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