Emissions & Aftertreatment
DPF, SCR and DEF dosing diagnostics with real fault trees.
Access fee
$1,250
Certification
Aftertreatment Specialist
Training modules
Sequential · complete each module to unlock the assessment
DPF System Architecture
Filter loading, differential pressure and soot mass estimation.
Regeneration Modes & Inhibitors
Why a regen will not run, and how to clear the inhibit.
DEF Dosing & SCR Efficiency
Dosing valve diagnostics and SCR conversion efficiency faults.
Aftertreatment Sensor Diagnostics
NOx, temperature and pressure sensor verification.
Field-readiness assessment
70% to passCourse doctrine
System architecture, regeneration modes and inhibitors, SCR efficiency faults and sensor diagnostics. Includes the derate logic that catches most roadside emissions failures.
Embedded field video from live repairs
Downloadable field schematic per module
Assessment bank scored at 70% to certify
Printable certificate of competency
