× 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 October 2009

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
2004 Chevrolet Impala 3.8L MIL Lamp on VIN: 2G4WB52K0W
U1040: Loss of Electronic Brake Controller Communication. ... Track lite comes on, brake light comes on, ABS light comes on. Most of the time, the traction control light comes on first. It usually happens when vehicle first started. Afterwards, brake and abs light come on. U1040 first, followed by U1096 & U1300. ...
October 16, 2009
2004 Chevrolet Impala 3.8L MIL Lamp on VIN: 2G4WB52K0W
U1040: Loss of Electronic Brake Controller Communication. ... Track lite comes on, brake light comes on, ABS light comes on. Most of the time, the traction control light comes on first. It usually happens when vehicle first started. Afterwards, brake and abs light come on. U1040 first, followed by U1096 & U1300. ...
October 21, 2009