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Open filler flap of a diesel car showing the blue AdBlue cap next to the diesel fuel cap
Solution Files · Trade Service

AdBlue / SCR Solution Files

Selective catalytic reduction (SCR) systems inject diesel exhaust fluid, commonly sold as AdBlue, into the exhaust to reduce NOx emissions. The engine ECU, and on many vehicles a separate dosing control unit, monitors fluid level, quality, dosing pressure, heater circuits and NOx sensor readings.

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

How SCR Faults Present

Many SCR faults have a mechanical or electrical cause, such as crystallised fluid, a failed heater or a damaged sensor. Diagnose the system before ordering a file: a software solution is not a substitute for repair where the vehicle must remain road legal.

  • Countdown warnings limiting the number of engine starts remaining
  • Reduced power or speed restrictions triggered by the SCR strategy
  • Fault codes for dosing pump, injector, heater, tank sensor or fluid quality
  • NOx conversion efficiency faults reported by the downstream NOx sensor

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 vehicle has a separate SCR / dosing control unit, and its read if required

Compatibility

SCR control varies widely between manufacturers. On some vehicles the strategy sits entirely in the engine ECU; on others it is shared with a separate dosing module, NOx sensor modules or the instrument cluster. Compatibility is confirmed per file, and some combinations of ECU, software version and module layout cannot be supported.

Limitations

  • Not every ECU or software version can be supported
  • Related modules or cluster warnings may need separate attention
  • Removing SCR components will usually cause the vehicle to fail emissions testing
  • 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 an AdBlue solution legal for road use?
No, in many countries removing or disabling SCR equipment 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.
Do I need to read more than the engine ECU?
Sometimes. Where the SCR system has its own dosing control unit, include that read or its details. Support will confirm what is needed for the specific vehicle.
Can an AdBlue solution be combined with a Stage 1 file?
Where both are supported on the same 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.