Map Decoder

Delphi ECU Tuning

Map Decoder supports Delphi DCM diesel ECUs with automatic map detection, validated patches and automatic checksum correction — from analysis to a ready-to-flash MapPack.

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Delphi coverage

DCM family support

Delphi DCM

Diesel ECU families used across many European and Asian models.

Validated modules

Stage 1/2, DPF/EGR/AdBlue off and DTC removal where applicable.

Checksums handled

Delphi checksum systems are corrected automatically.

FAQ

Delphi ECU tuning — frequently asked questions

Which Delphi ECUs are supported?

Delphi DCM diesel ECU families, common on many European and Asian vehicles.

Does Map Decoder handle Delphi checksums?

Yes. Checksum correction for Delphi ECUs is applied automatically as part of patch generation.

What modifications are available on Delphi ECUs?

Stage 1/2 plus emission solutions (DPF/EGR/AdBlue off) and DTC removal where applicable — for off-road / competition use.

Is map detection automatic on Delphi?

Yes. Map Decoder detects the Delphi ECU and identifies the relevant maps automatically.

Tune your Delphi ECU

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Supported Delphi ECUs

11 control units from Delphi have stored map or measured DTC data in Map Decoder. Full details per model on the Delphi ECU hub.

CRD 2 ECUs

  • CRD25 solutions · 697 DTC
  • CRD39 solutions · 2,312 DTC

DCM 7 ECUs

Other models

Open the Delphi ECU hub