Targeted review
DPF strategy is identified for the exact ECU and software.
DPF software treatment subject to prior diagnosis and local legal requirements.
DPF OFF concerns particulate-filter strategies only after full system diagnosis. It must never replace a required repair on a road vehicle and is considered solely where intended use and local law permit.
DPF strategy is identified for the exact ECU and software.
The reason for loading or failure is investigated before any decision.
Intended use, limitations and obligations are documented.
Diagnose the filter, sensors, injection, turbocharger and regeneration history.
Confirm permitted use, then apply file-specific software treatment.
Review DTC logic and strategy consistency, then perform a post-flash functional test.