Elevate your heavy diesel tuning business with a structured, professional calibration workflow.
This Detroit Diesel GHG17 DTC Logic online training course is an intensive, four-lesson course designed specifically for calibrators and heavy-duty technicians who want to master the MCM and ACM controllers to understand how Diagnostic Trouble Code data is represented across the modules, using EVC WinOLS.
This comprehensive module breaks down complex heavy diesel calibration into four targeted, 15-minute lessons. You’ll transition from basic map recognition to executing complete, data-driven performance and economy tuning strategies using real-world files and map packs.
What you will learn
Unlike basic tuning courses, this module treats heavy diesel diagnostic calibration as a structured process built around ECU monitoring, fault classification and controlled DTC logic. By the end of this course, you will learn how to:
- Understand SPN-based DTC logic: Understand why heavy-duty diesel diagnostic work begins with SPN-based logic rather than simple light-vehicle P-code thinking, and how SPN data identifies the monitored parameter, system area or operating condition behind a fault.
- MCM and ACM DTC responsibility: Understand the distinct diagnostic responsibilities of the MCM and ACM, recognise the difference between engine-side and aftertreatment-side faults, and determine which controller or controllers need to be reviewed as part of a complete diagnostic workflow.
- DTC data relationships: Understand how SPN tables, patch data and reaction handling can work together within the diagnostic strategy, and why changing a single visible code reference may be incomplete without reviewing related DTC structures.
- Correct DTC modification methodology: Apply a controlled methodology before undertaking any DTC-related modification, including correct target-code identification, review of related data areas, and alignment with testing, R&D or authorised diagnostic investigation.
Course curriculum
The module is structured into 4 focused, highly visual lessons designed to build a clear understanding of Detroit Diesel GHG17 DTC logic.
Lesson 1: Understanding SPN-Based DTC Logic
Focus: SPN-based diagnostic logic and ECU fault-monitoring structures.
Key Takeaways: Understand why heavy diesel diagnostics rely on SPN-based logic, recognise that a displayed fault code is the result of deeper ECU monitoring and classification, and learn how to interpret SPN data before considering any DTC-related modification.
Lesson 2: MCM and ACM DTC Responsibility
Focus: Understanding diagnostic responsibility across the MCM and ACM.
Key Takeaways: Learn to distinguish engine-side faults from aftertreatment-side faults and understand why both controllers may need to be reviewed. Develop a clear diagnostic workflow based on controller responsibility before moving into emissions and DTC table construction.
Lesson 3: DTC Data Relationships
Focus: Understanding the connected data structures behind DTC behaviour.
Key Takeaways: Explore the relationships between SPN tables, patch data and reaction handling. Learn why DTC work cannot always be completed by changing a single visible code reference, and how related structures help explain the behaviour behind a fault. This lesson prepares you for Module 3, where these structures are manually identified and built into working tables.
Lesson 4: Correct DTC Modification Methodology
Focus: Establishing a controlled and repeatable DTC modification workflow.
Key Takeaways: Learn the correct sequence of analysis before any DTC modification is attempted. Understand why target-code identification must come first, why related data areas need to be considered together, and how controlled testing, R&D or authorised diagnostic investigation supports a consistent calibration workflow.
Who Is This Course For?
- Heavy Diesel Tuners looking to add Detroit Diesel GHG17 support to their service offerings.
- WinOLS Users wanting to transition from passenger cars to high-profit heavy-duty vehicle calibration.
- Fleet Technical Managers wanting to understand how professional economy mapping can drastically lower fuel costs.
Prerequisites: A baseline understanding of the EVC WinOLS user interface is recommended. Supplied training materials include original files, modified files, and the corresponding MCM map pack.
Ready to stop guessing and start calibrating? Enrol in the Detroit Diesel GHG17 MCM Tuning Strategy module today and master heavy diesel remapping.
Recommended Pre-Requisites
It’s recommended that you complete the following modules:
Elevate your heavy diesel tuning business with a structured, professional calibration workflow.
This Detroit Diesel GHG17 DTC Logic online training course is an intensive, four-lesson course designed specifically for calibrators and heavy-duty technicians who want to master the MCM and ACM controllers to understand how Diagnostic Trouble Code data is represented across the modules, using EVC WinOLS.
This comprehensive module breaks down complex heavy diesel calibration into four targeted, 15-minute lessons. You’ll transition from basic map recognition to executing complete, data-driven performance and economy tuning strategies using real-world files and map packs.
What you will learn
Unlike basic tuning courses, this module treats heavy diesel diagnostic calibration as a structured process built around ECU monitoring, fault classification and controlled DTC logic. By the end of this course, you will learn how to:
- Understand SPN-based DTC logic: Understand why heavy-duty diesel diagnostic work begins with SPN-based logic rather than simple light-vehicle P-code thinking, and how SPN data identifies the monitored parameter, system area or operating condition behind a fault.
- MCM and ACM DTC responsibility: Understand the distinct diagnostic responsibilities of the MCM and ACM, recognise the difference between engine-side and aftertreatment-side faults, and determine which controller or controllers need to be reviewed as part of a complete diagnostic workflow.
- DTC data relationships: Understand how SPN tables, patch data and reaction handling can work together within the diagnostic strategy, and why changing a single visible code reference may be incomplete without reviewing related DTC structures.
- Correct DTC modification methodology: Apply a controlled methodology before undertaking any DTC-related modification, including correct target-code identification, review of related data areas, and alignment with testing, R&D or authorised diagnostic investigation.
Course curriculum
The module is structured into 4 focused, highly visual lessons designed to build a clear understanding of Detroit Diesel GHG17 DTC logic.
Lesson 1: Understanding SPN-Based DTC Logic
Focus: SPN-based diagnostic logic and ECU fault-monitoring structures.
Key Takeaways: Understand why heavy diesel diagnostics rely on SPN-based logic, recognise that a displayed fault code is the result of deeper ECU monitoring and classification, and learn how to interpret SPN data before considering any DTC-related modification.
Lesson 2: MCM and ACM DTC Responsibility
Focus: Understanding diagnostic responsibility across the MCM and ACM.
Key Takeaways: Learn to distinguish engine-side faults from aftertreatment-side faults and understand why both controllers may need to be reviewed. Develop a clear diagnostic workflow based on controller responsibility before moving into emissions and DTC table construction.
Lesson 3: DTC Data Relationships
Focus: Understanding the connected data structures behind DTC behaviour.
Key Takeaways: Explore the relationships between SPN tables, patch data and reaction handling. Learn why DTC work cannot always be completed by changing a single visible code reference, and how related structures help explain the behaviour behind a fault. This lesson prepares you for Module 3, where these structures are manually identified and built into working tables.
Lesson 4: Correct DTC Modification Methodology
Focus: Establishing a controlled and repeatable DTC modification workflow.
Key Takeaways: Learn the correct sequence of analysis before any DTC modification is attempted. Understand why target-code identification must come first, why related data areas need to be considered together, and how controlled testing, R&D or authorised diagnostic investigation supports a consistent calibration workflow.
Who Is This Course For?
- Heavy Diesel Tuners looking to add Detroit Diesel GHG17 support to their service offerings.
- WinOLS Users wanting to transition from passenger cars to high-profit heavy-duty vehicle calibration.
- Fleet Technical Managers wanting to understand how professional economy mapping can drastically lower fuel costs.
Prerequisites: A baseline understanding of the EVC WinOLS user interface is recommended. Supplied training materials include original files, modified files, and the corresponding MCM map pack.
Ready to stop guessing and start calibrating? Enrol in the Detroit Diesel GHG17 MCM Tuning Strategy module today and master heavy diesel remapping.
Recommended Pre-Requisites
It’s recommended that you complete the following modules:
