× 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

U0401 Diagnostic Trouble Code Discussion for June 2009

Implausible Data Received From ECM / PCM


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 U0401
Help Request Posted
2007 Ford Freestyle SEL 3.0L Wrench Lite On VIN: 1FMZK02137
U0401: Invalid data received from ECM/PCM. ... look at this help request. This is the first time I have seen this problem in my shop. You can clear the codes and they come right back. I did find TSB 07-2-2 pertaining to the engine wire harness chaffing on the AC lines at the firewall and setting code U...
June 22, 2009