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Multiple Diagnostic Interface 2 User Guide
4
Customer Support Overview
To obtain assistance with your TIS software, contact the ACDelco Aftermarket Support Center.
Before Calling
Before making a call for ACDelco Aftermarket support, be sure to have the following information
ready:
Business name, address, ACDelco TDS Login ID, and the technician’s Telephone
number
Tell when the problem occurred
List any error messages
Give vehicle entry information
Making the Call
The ACDelco Aftermarket Support Center telephone lines operate from 8:00 AM to 8:00 PM
(Eastern Standard Time) Monday through Friday.
In the United States and Canada to contact Customer Support, dial:
1-888-212-8959