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Diesel particulate filter assembly with pressure and temperature sensors on a workshop bench
Solution Files · Trade Service

DPF Solution Files

A diesel particulate filter (DPF) traps soot from the exhaust and periodically burns it off in a regeneration. The ECU estimates soot load from differential pressure, temperature sensors and a calculated model, and manages regeneration through injection and air-path changes.

Our DPF solution files are developed from the original read you supply, for tuning businesses working on vehicles used off-road, in motorsport or exported to markets where the work is lawful.

Diagnose Before You Order

Frequent or failed regenerations are often a symptom of another fault, such as a leaking injector, an EGR problem, a faulty pressure or temperature sensor, or short-journey use. Fixing the root cause is the right approach for any vehicle that must stay road legal.

  • Check differential pressure and exhaust temperature sensor readings
  • Check for injector, turbo or EGR faults that increase soot output
  • Confirm whether the filter is physically blocked, damaged or removed

What To Send

  • The original, unmodified ECU read (full read where your tool supports it)
  • Vehicle make, model, engine code and year
  • ECU type and software version where known
  • The tool and read method used (master or slave, bench or OBD)
  • The exact solution required and any related fault codes
  • Whether the DPF is still fitted, and any exhaust changes made

Compatibility

DPF strategies are linked to other functions in the ECU, including the soot model, regeneration logic, sensor monitoring and in some cases the instrument cluster or a separate exhaust module. Compatibility is confirmed per file. Combined DPF and EGR or DPF and SCR requests are common and should be stated at upload.

Limitations

  • Not every ECU or software version can be supported
  • A vehicle without a functioning DPF will normally fail emissions testing
  • Cluster messages or other modules may need separate attention
  • Files are not supplied for vehicles intended for public road use

Pricing

Trade prices are shown in the customer portal once you register. Supported delete options are included in the file price and there is no minimum order. Where a solution can be combined with a Stage 1 or Stage 2 calibration on the same ECU, it can be requested in the same file.

Service Terms At A Glance

Pay per file

No subscription. Trade prices are shown in the customer portal.

Deletes included

Supported delete options are included in the price.

Custom calibration

Files are developed from the original file you supply.

15 min manual

Most manually processed files are returned within 15 minutes during standard manual service hours.

24/7 automated

The automated file service runs 24/7 for supported files, including evenings, weekends and holidays.

Master & Slave

Master and Slave tool support, subject to compatibility.

No minimum order

Order a single file or many. No volume commitment.

Worldwide

Digital delivery to tuners and workshops worldwide.

Frequently Asked Questions

Is a DPF solution legal for road use?
No, in many countries removing or disabling a DPF on a road vehicle is illegal. Files are only supplied for off-road, motorsport or export use where that use is lawful, and an off-road or export label does not by itself make the work legal. The ordering business is responsible for confirming compliance.
Should I fix the cause of DPF faults first?
Yes. Blocked filters are often caused by another fault. Diagnose sensors, injectors and the EGR system before deciding on a software solution.
Can DPF and EGR solutions be in the same file?
Where both are supported on the ECU, they can be requested in the same file.

Related

Register For Trade File Service

Open a trade account on the customer portal to upload files and see trade prices. Supported deletes included, no minimum order.