× 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

U1040 Diagnostic Trouble Code Discussion for January 2011

Lost Communication With Antilock Brake System 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 U1040
Help Request Posted
2003 Pontiac Grand Am GT 3.4L No Start, Stall VIN: 1G2NW52EX3
U1040: Lost Communication With Antilock Brake System Module. Knowing that the fuel pump has been replaced and battery and alternator. Customer says it stalled on highway and not started until later when tow truck arrived... I drove it.. Drove fine... After a hot soak it not started.. With fuel gauge on car.. I noticed t...
January 07, 2011