Join Now
International Automotive Technicians Network

U0100 Diagnostic Trouble Code Discussion for January 2015

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
2008 Ford F-250 Super Duty XLT 5.4L No Start, no communication VIN: 1FTNF21578
U0100: no communication with pcm. is it possible I got a bad pcm or am I missing something, can communicate with all other modules.
January 16, 2015
2008 Ford F-250 Super Duty XLT 5.4L No Start, no communication VIN: 1FTNF21578
U0100: no communication with pcm. is it possible I got a bad pcm or am I missing something, can communicate with all other modules.
January 23, 2015