Delphi DCM7.1 Catalyst Removal

NuoVolta provides a ready Catalyst Removal solution for the Delphi DCM7.1, used in Citroen, DS, Opel, Peugeot and Toyota vehicles. The NuoVolta client recognises your original file, applies the solution and handles the related DTC codes.

✓solution files for this solution
11solutions on this ECU
26DTC sets
Oct 2026last update

How it works

Applying Catalyst Removal to a Delphi DCM7.1 file takes three steps.

  1. Read the fileRead the original file from the Delphi DCM7.1 with your tool.
  2. Select the solutionOpen it in the NuoVolta client and select Catalyst Removal.
  3. Write the resultSave the modified file and write it back to the ECU.

About Catalyst Removal

CATALYTIC CONVERTER A catalyst in vehicles, commonly referred to as a catalytic converter, is a critical component of the exhaust system that helps reduce harmful emissions produced by the engine. Its primary function is to convert toxic gases and pollutants in exhaust gas into less harmful substances before they are released into the atmosphere. FUNCTION OF CATALYTIC CONVERTER The catalytic converter operates on…

Read more about Catalyst Removal

Most requested solutions

Ranking of the solutions NuoVolta users apply most often to this ECU.

  1. 1 AdBlue / SCR / NOx Removal
  2. 2 DPF / ADV Removal
  3. 3 EGR Removal
  4. 4 Full Emission Removal
  5. 5 Stage 1

Frequently asked questions

Is a ready Catalyst Removal solution available for the Delphi DCM7.1?

Yes. NuoVolta has a ready Catalyst Removal solution for the Delphi DCM7.1. It is applied with the NuoVolta client.

Which vehicles use the Delphi DCM7.1?

According to the NuoVolta database, the Delphi DCM7.1 is used in Citroen, DS, Opel, Peugeot and Toyota vehicles.

Are the related DTC codes handled?

The Catalyst Removal solution is applied together with the related DTC handling. If other codes remain, the DTC removal feature can disable them.

Diagnose and repair real faults first. Removing or disabling emission systems is only permitted where allowed by law, for example for off-road or motorsport use.

Ready to work with the Delphi DCM7.1?

Get the NuoVolta client and apply ready solutions to your ECU files.