× 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

U0730 Diagnostic Trouble Code Discussion for November 2019

Control module comm bus off bus


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 U0730
Help Request Posted
2012 Chevrolet Express 2500 4.8L MIL Lamp on, limp mode VIN: 1GCWGFFA1C
U0730: Control Module Communication Bus A Off. Vehicle towed in two Mondays ago. Customer complained of check engine,traction control,airbag, and abs lights illuminating service traction control,service air bag messages in information center all gages on instrument cluster showing zero and loss of tran...
November 08, 2019
2012 Chevrolet Express 2500 4.8L MIL Lamp on, limp mode VIN: 1GCWGFFA1C
U0730: Control Module Communication Bus A Off. Vehicle towed in two Mondays ago. Customer complained of check engine,traction control,airbag, and abs lights illuminating service traction control,service air bag messages in information center all gages on instrument cluster showing zero and loss of tran...
November 24, 2019