× 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

U0101 Diagnostic Trouble Code Discussion for February 2012

Lost Communication With TCM


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 U0101
Help Request Posted
2004 GMC Sierra 2500 HD SLE 6.6L No Start VIN: 1GTHK23264
U0101: desc. unavailable. this truck was sent to me after the above repair was done. the dealer told the r/o that they were unable to find anything wrong.we first confirmed correct glow plugs were used, they were. what happens is the glow plug cycle is over in two or less seconds. load...
February 13, 2012