Detroit® Service

Expertise to Keep Your Powertrain Running

Trust the expert technicians and support team at Detroit® to keep your powertrain going strong. Visit any of our more than 700 authorized Detroit® service locations spread across North America and get help from factory-trained technicians, experts who have completed rigorous, award-winning service training.

In addition, Elite Support℠ certified Freightliner and Western Star dealers deliver unmatched customer service and efficiency every time a truck comes in for repair. With regular maintenance, our service technicians ensure the components of your powertrain continue to deliver the performance and efficiency you expect from Detroit® products. 

Detroit® Warranty and Extended Service Coverage

Click below for more information on available warranties and extended service coverage for the entire Detroit® family of products. 

View Warranties and Extended Service Coverage

To extend the life of your Detroit® powertrain components, we offer the following service programs. 

PowerPacks Program– repair or replace fuel injectors to boost fuel efficiency 

StepUP® Overhaul Program– four ways to overhaul your engine 

DPF Cleaning Program reconditioned DPFs tested to meet OE standards

The Detroit Independent Service Tool site allows independent service locations to purchase Detroit Diesel Reprogramming System (DDRS) software, Detroit Diesel Diagnostic Link (DDDL) software and the Nexiq USB-Link translator.

Detroit® service manuals are available through a Power Service Literature (PSL) subscription. Visit here to learn more.

Detroit Connect Portal

The Detroit™ Connect portal is easy-to-use, one-stop-shop for all vehicle performance data gathered, transmitted and analyzed by Detroit Connect.  The portal gives you access to insights delivered by  Detroit Connect Virtual Technician℠. The Detroit Connect portal will also give you access to new features, such as Remote Updates, and Analytics, available late 2017.

Detroit connect portal login


All DDCSN content has been migrated to our DTNAConnect web portal. All information previously on the DDCSN is now on DTNAConnect. We have created a quick reference guide to help you locate the migrated content on DTNAConnect. Existing DDCSN login credentials will also work with DTNAConnect. Please work with your security administrators for login or content issues. If you do encounter any technical issues, please contact the Software Support Center at 855-639-8680 or dealer.helpdesk@daimler.com


DTNA Connect Portal

DTNA Connect is the starting point for working with all brands and franchises that fall under the Daimler Truck North America umbrella: Detroit, Thomas Built Buses, SelecTrucks, Sterling, Freightliner, and Western Star. Here, you can access the full spectrum of online applications, resources and tools you need. Whether you use DTNA online resources to complete repairs, purchase parts, submit warranty claims, spec new vehicles or track the status of your truck orders, DTNAConnect streamlines the tasks and activities that are part of your daily work routine.

DTNA Connect Portal Login