Delphi DCM7.1A — Delphi DCM diesel ECU — Renault/Dacia/Nissan/Hyundai dCi and CRDi. Found on Peugeot, Citroen, Opel and 3 more brands — 47 modifications in our database. Available tuning options: Stage 1 calibration, disabling DPF/FAP / EGR recirculation / AdBlue/SCR / CAT/Lambda, removing the swirl-flap logic, disabling the speed limiter and software fault-code clearing, return to the original firmware, oil-pump tuning. Reading and writing via KESS3, MPPS V21, PCMflash, BFlash.
The Delphi DCM7.1A is used across 6 brands: Peugeot (17), Citroen (12), Opel (11), DS (4), Fiat (2). 47 engines in total in the database.
On the Delphi DCM7.1A the following are available: STAGE 1, LAMBDA OFF, EXT FLAPS OFF, ECO TUNING, ADBLUE OFF, CHECK STOCK OR NOT, DPF OFF, VMAX OFF, DTC OFF, OIL PRESSURE OPTIMIZATIONS. All options combine in the calculator with the package Max Price cap.
To flash the Delphi DCM7.1A the following is used: KESS3, Autotuner, KTAG, CMD Flash (Bench for DCM6.2V). CHIPOK accepts .bin/.hex/.ori from any of the listed programmers.
Stage 1 on the diesel Delphi DCM7.1A reprograms rail pressure target, SOI/EOI timing, boost target, smoke limiter and torque limiter. The torque gain is noticeable; the HP gain depends on the specific engine.
Delphi DCM7.1A calibration requires a full read of the unit — bin/hex/ori. Programmers: KESS3, Autotuner, MPPS, KTAG. Checksums — on the engineer's side.
Reading and writing over OBD take 25-30 minutes. Bench reading requires opening the unit — about 60 minutes. Remote processing of a Delphi DCM7.1A file at CHIPOK — 5-30 minutes.
The price of Delphi DCM7.1A calibration depends on the selected options: Stage 1/2, DPF/EGR/AdBlue off, DTC off. The Max Price cap limits the package total. Paid with CHIPOK credits (1 cr = 1 €).