× 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

U2105 Diagnostic Trouble Code Discussion for September 2009

TCM - No Communication With Engine Control Module


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 U2105
Help Request Posted
2002 Saturn L300 3.0L No Start VIN: 1G8JW54R02
U2105: Lost Communication With PCM. ... came into the shop yesterday for a no start. The first thing i did was checked for codes with my scan tool found U2105 for a communication error with the PCM. I then tried to communicate with the PCM and could not, However i was able to communicate with ev...
September 18, 2009