Delphi DCM Tuning Software
Delphi DCM is the diesel ECU on Renault dCi, Nissan diesels, Hyundai/Kia CRDi and some Mercedes OM651 variants. DaVinci Deluxe · Cloud Edition supports DCM3.4, DCM3.5, DCM3.7, DCM6.1, DCM6.2 with full Stage 1 + DPF + EGR templates.
About Delphi DCM
Delphi DCM family is a common-rail diesel ECU on Tricore platform. DCM3.x = older generation; DCM6.x = newer (2014+). Used widely across Renault-Nissan-Hyundai-Kia alliance and some Mercedes.
Vehicles using Delphi DCM
What you can do with Delphi DCM
Stage 1 / Stage 2
Optimized for small dCi turbo diesels
DPF off
Full disable on DCM3 and DCM6
EGR delete
Hard removal + DTC mask
AdBlue off (DCM6)
For markets where allowed
Read / write protocols supported
- 📡 OBD on DCM3
- 📡 Bench / boot mode for DCM6.2 (locked)
DaVinci Deluxe · Cloud Edition is the ECU file editor — pair it with any modern flasher (KESS3, Autotuner, FoxFlash, MagicMotorsport, ATAG, etc.).
Frequently asked questions
DCM6.2 — is bench mode required?
Yes. DCM6.2 is locked over OBD; bench mode (boot) via Autotuner / KESS3 v3 is required for full read/write.
AdBlue off on Mercedes OM607?
Yes. Full SCR shutdown on Renault-sourced 1.5 dCi in Mercedes A/B-Class.
Ready to tune Delphi DCM?
Lifetime license, instant download, full support. Want to test it first? Real Software Test: €9.99 for 7 days, then €100.99/month unless you cancel in one click.
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