We have working DPF EGR off solution for Kubota Excavator 2019 equipped with DENSO ECU.
When having problems with DPF in our case fault on display 076 (also possible 078) - it is related to DPF.
When starting engine it works in limp mode and after some time stalls.
When reading ecu faults with diagnostic tool: fault codes present in ECU: P3006 P3007 P2455.
ECU: DENSO 1J773-59052
275700-3411