Delphi DCM7.1B ECU chip tuning: Delphi DCM diesel ECU — Renault/Dacia/Nissan/Hyundai dCi and CRDi. In the CHIPOK database this unit is found on Citroen, Opel and Peugeot (9 modifications). Supported: Stage 1 Project-Id-Version: ECUTools Online 1.0 Report-Msgid-Bugs-To: POT-Creation-Date: 2026-07-01 14:20+0300 PO-Revision-Date: 2025-01-02 12:00+0000 Last-Translator: Language: en Language-Team: English Plural-Forms: nplurals=2; plural=(n != 1); MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Generated-By: Babel 2.18.0, removal of DPF, the EGR valve, SCR/AdBlue, the lambda sensors, swirl-flap removal, VMAX Off and DTC clearing, Reset to Stock, oil pressure optimization. Programmers: KESS3, KTAG, FoxFlash, BitBox, BDM100.
The Delphi DCM7.1B unit is found on 9 different engines. Main brands: Citroen (3), Opel (3), Peugeot (3).
On the Delphi DCM7.1B 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 DCM7.1B 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 DCM7.1B 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.
The original bin/hex/ori is accepted after reading via KESS3, Autotuner, FoxFlash, KT200. Checksums are recalculated on the engineer's side.
OBD flashing of the Delphi DCM7.1B — 25-30 minutes, Bench (if needed) — about an hour. The file processing itself takes 5-30 minutes after receipt.
The cost of a Delphi DCM7.1B file is built in the calculator: you pick the operations you need (Stage 1, emissions removals, service operations) and the price is calculated with the package discount applied.