× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network

U1000 Diagnostic Trouble Code Discussion for April 2025

Class 2 Communication Malfunction


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC U1000
Help Request Posted
2007 Nissan Xterra X 4.0L No Start VIN: 5N1AN08W47
U1000: Controller Area Network Line Malfunction. Car came in as a n start ,never got a straight story from client but suspect car was jumped wrong but can not prove it. Replaced IPDM with updated version and then we had comm with ecm. Car still will not start. No crank ,pulled codes and those listed are ...
April 08, 2025
2007 Nissan Xterra X 4.0L No Start VIN: 5N1AN08W47
U1000: Controller Area Network Line Malfunction. Car came in as a n start ,never got a straight story from client but suspect car was jumped wrong but can not prove it. Replaced IPDM with updated version and then we had comm with ecm. Car still will not start. No crank ,pulled codes and those listed are ...
April 10, 2025