How to Use JPRO 2023 Aftertreatment Diagnostics Function

Aftertreatment Diagnostics are only available on EPA 07 or newer heavy-duty vehicles with J1939 data available. It displays data items related to the Aftertreatment system including the Diesel Particulate Filter (DPF) Lamps, Status,Inhibits and Diagnostic DPF, EGR, SCR and DEF… Continue Reading