Customer Support Center Contacts Customer Hotline: 800-445-1980 Canton Parts Center Hotline:  330-430-4422 Part Order Support for FLLC:   503-745-2500 DDC Parts Distribution Center:  330-430-4300 (Order Information Only) DDDL / DRS:  313-592-5800 Registration or Purchase of DDDL:  Nexiq-Snap On 877-974-3539 Mainframe Modem Dial In:  877-332-3425 Powernet (DDEC) Screen Issues:  313-592-5959 Mailing Address: Detroit Diesel Box C12 13400 W. Outer Drive Detroit MI 48239 Marty Kubiak, Manager Customer Support: 313-592-5091 martin.kubiak@daimler.com