Modern diesel engines rely on advanced aftertreatment systems to meet today’s strict emissions standards - and when these systems fail, downtime can be both costly and complex to resolve. This hands-on, technician-focused course is designed to give you the knowledge and confidence to diagnose, troubleshoot, and maintain Cummins aftertreatment emission systems with precision.
Through real-world examples and step-by-step instruction, you’ll explore the full range of Cummins aftertreatment components, including Diesel Oxidation Catalysts (DOC), Diesel Particulate Filters (DPF), and Selective Catalytic Reduction (SCR) systems. The course goes beyond theory - equipping you with proven strategies to tackle common fault codes, reduce repeat failures, prevent unnecessary part replacements, and reduce downtime.
Whether you're working in a fleet maintenance shop, a dealership, or as an independent heavy-duty technician, this course will sharpen your troubleshooting skills and help you minimize vehicle downtime. You'll also receive a VieTech certification upon completion, showing your proficiency in our Aftertreatment emission systems diagnostics course. Stay ahead of evolving emission technologies and ensure your shop can handle Cummins-powered vehicles with confidence.
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