× 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 February 2013

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
2002 Saturn L100 2.2L No Start VIN: 1G8JS54F12
U1000: Class 2 Data Link Malfunction - ID Not Learned. Vehicle will start and run if sitting for 12 hours until turned off- will not resart- cranks starts for 1 second and stops as if in theft mode. Security light will come on with koeo for bulb check then goes out but will flash very fast for one split second (ba...
February 07, 2013