× 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

U0100 Diagnostic Trouble Code Discussion for September 2013

Lost Communication With ECM

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 U0100
Help Request Posted
2010 Toyota Tacoma 2.7L Excessive Emissions, Poor Idle Quality, MIL Lamp on VIN: 5TENX4CN0A
U0100: ABS lost communication with ECM. ... this truck in a few weeks ago, and stated that the VSC light would come on and the truck would run rough. Another tech looked at it and drove it for nearly 100 miles over the course of a few days, and there were no symptoms. Two weeks later it came back an...
September 11, 2013