Detroit DD13, DD15, DD16: Engine & Aftertreatment Diagnostics


4-day Class (Tuesday-Friday) | Max Available seats: 12

Dedicated classes available— please call for details

COURSE DESCRIPTION: This course provides theoretical and practical training on the DETROIT DD 13-16 Engine family. By its conclusion, technicians will possess a robust understanding of the DETROIT DDDL diagnostic tool, the DTNA system, and be able to troubleshoot and repair procedures for various elements of the DETROIT DD13-16 engine. Hotel & Lunch are Included.                                   



  • Navigating DETROIT DDDL Diagnostic Tool and DTNA
  • Visual and Read Functions
  • Write Functions
  • Fault code guidance
  • Troubleshooting procedures
  • Aftertreatment
  • Electronic Control Systems
  • Skills Assessment
  • For a detailed Course Syllabus please contact us


In this Detroit DD15 engine training class, students will be instructed in theory and hands-on operation for troubleshooting of the Detroit Engine Control Systems, Aftertreatment Systems, Fuel Systems and repair procedures on the DETROIT DD15 and DD13-16 Engine family. Hotel & Lunch are Included.


After completing this Detroit DD15 engine training class, Technicians will be able to demonstrate the use of the Detroit DDDL diagnostic tool, troubleshooting and repair procedures for the Aftertreatment, Sensors, Fuel, Electronic Control systems and other repairs associated with the Detroit DD15 or DD13-16 engine family.

LOCATION: ETT Training Center

TRITECH Expert Technician Training Center is in New Braunfels, TX, while the San Antonio, TX airport (SAT) is 35.5 miles from training center and the Austin, TX airport (AUS) is 47 miles from ETT training center. Please plan on arriving the Monday prior to class starting on Tuesday and departing Fridays 3:00pm or after.


Fairfield Inn & Suites by Marriott

1465 I-35 New Braunfels, TX 78130

What to do while in town?

New Braunfels is Centrally located between Austin and San Antonio and is best known for the Comal and Guadalupe Rivers, great food, live music and the nearby Gruene Historic District.


Technicians must bring appropriate Personal Protective Equipment (PPE), safety shoes, eye protection and ear protection. All safety procedures and warnings must be followed. High pressure fuel and temperature warning. Exposure to rotating components. Always watch out for each other and if see any liquid spills, please clean up immediately.


Please complete 1 Enrollment Form per enrollee to reserve a slot in an upcoming Cummins Engine Training class. Enrollment Forms can be requested by email at or by phone at 830-743-9720. Registrations will be accepted up to the start of class and are subject to available seats. See Cancellation Policy