Here is my blog reader feedback on how to use DDDL diagnostic to reset/clean PDF data or ash accumulator value for 3720/15 fault code.
Detroit Diesel Diagnostic Link DDDL 8.19 Professional with (10 10 10) Level Installation Service
Click “Troubleshooting” button,it will show you with detail information:
SPN 3720/FMI 15-EPA07-EPA07-EPA10-GHG14
Diesel Particulate Filter Has Reached the End of its Service Life.
Replace DPF and perform the Ash Accumulator reset using DiagnosticLink
The DPF lamp will illuminate and code 2730/15 will log when the truck reaches the appropriate mileage interval.This fault indicate that the DPF need to be replaced.The DPF Ash Accumulator Routine in Diagnostic Link must be completed.This routine can be found in the Actions drop-down menu and must be completed…
Select “Actions”–>”Aftertreatment”–>”DPF Ash Accumulator”
Now it show you with below panel,use this panel to reset or synchronize the ash volume ratio.
Select “Cleaned or remanufactured filter installation”
Then input two serial number for the aftertreatment system now installed on below.
After then click “Set Ash Volume”
Wait for procedures completing.