Customer Support Overview - GMC MDI 2 User Manual

Multiple Diagnostic Interface 2 User Guide

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
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