Detroit Diesel DiagnosticLink 8.22 introduces a new troubleshooting data package released on 16 October 2025.
This update refines diagnostic accuracy, updates engine parameter sets, and improves communication between diagnostic software and control modules.
Update Details
- Revised Fault Logic: Updated troubleshooting trees for emissions, SCR, and aftertreatment systems.
- Parameter Updates: Added support for recent GHG23-compliant engine calibrations.
- ECU Communication: Enhanced synchronization for MCM, CPC, and ACM controllers.
- Fault Description Improvements: Clearer SPN/FMI definitions and contextual repair guidance.
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