Skip to content

ECU family · Car, Truck · Bus

DELPHI DCM3.4 — Stage 1, DPF Off, EGR Off, AdBlue / SCR Off Solutions

The DELPHI DCM3.4 ECU is used in car, truck · bus vehicles from brands such as CITROEN, DACIA, DAF, NISSAN, PEUGEOT, RENAULT. The EcuPrime library holds verified solution files for this ECU family.

Free pre-checkECU identification and applicable operations without credits
Credit only on successNo charge if it fails
Byte-level checksUnverified results are labelled
PrimeChecksumbuilt-in checksum engine

Performance

Typical Stage 1 gains

+20–30%power gain
+25–35%torque gain
Turbo dieselengine type

Typical range; the exact figure depends on the vehicle's hardware and the file. Compatibility is measured at hex level when you upload it.

Operations

Available operations for this ECU

Operations on emission systems are offered only for use permitted by local law (e.g. off-road / motorsport / export); responsibility lies with the user.

Operations

DELPHI DCM3.4 operations in detail

DELPHI DCM3.4 Stage 1

Software calibration that optimises the engine's power and torque maps within safe limits. Stage 1 is available for DELPHI DCM3.4 with a verified solution in the library: upload your original file and the software enables it only if it fits your file. Turbo diesel: +20–30% power gain, +25–35% torque gain.

By brand and ECU: RENAULT DELPHI DCM3.4 Stage 1 · DACIA DELPHI DCM3.4 Stage 1 · CITROEN DELPHI DCM3.4 Stage 1 · PEUGEOT DELPHI DCM3.4 Stage 1 · DAF DELPHI DCM3.4 Stage 1

Stage 1: all supported ECU families

DELPHI DCM3.4 Full Emission Off

A package that switches off emission systems such as DPF, EGR and AdBlue/SCR together in one file. Full Emission Off is available for DELPHI DCM3.4 with a verified solution in the library: upload your original file and the software enables it only if it fits your file.

By brand and ECU: RENAULT DELPHI DCM3.4 Full Emission Off · DACIA DELPHI DCM3.4 Full Emission Off · CITROEN DELPHI DCM3.4 Full Emission Off · NISSAN DELPHI DCM3.4 Full Emission Off

Full Emission Off: all supported ECU families

DELPHI DCM3.4 DTC Off

Removing selected diagnostic trouble codes (DTC) in the ECU software. DTC Off is available for DELPHI DCM3.4 with a verified solution in the library: upload your original file and the software enables it only if it fits your file.

By brand and ECU: PEUGEOT DELPHI DCM3.4 DTC Off

DTC Off: all supported ECU families

Brands

Brands using this ECU

Flow

How it works

Upload

Upload your original ECU file

Select

The system detects the ECU from the file and enables only genuinely applicable solutions

Process

The solution is verified at hex level and applied

Download & Checksum

Credit is charged only on successful delivery. The checksum is corrected in a separate tab with the built-in PrimeChecksum.

Missing the operation you need? Leave a request

Brand and ECU are pre-filled; add the missing operation as a note. The most requested ECUs get solutions first. Leave an email and we will let you know when the solution is added.

Upload your file for free — see which operations work

Explore

Related ECU families

Help

Frequently asked questions

Can Stage 1 be done on DELPHI DCM3.4?

Yes. The EcuPrime library has a verified Stage 1 solution for DELPHI DCM3.4. When you upload your original file, compatibility is measured at hex level.

Can DPF Off be done on DELPHI DCM3.4?

Yes. The EcuPrime library has a verified DPF Off solution for DELPHI DCM3.4. When you upload your original file, compatibility is measured at hex level.

Can EGR Off be done on DELPHI DCM3.4?

Yes. The EcuPrime library has a verified EGR Off solution for DELPHI DCM3.4. When you upload your original file, compatibility is measured at hex level.

Can AdBlue / SCR Off be done on DELPHI DCM3.4?

Yes. The EcuPrime library has a verified AdBlue / SCR Off solution for DELPHI DCM3.4 (included in the Full Emission package). When you upload your original file, compatibility is measured at hex level.

Which brands use the DELPHI DCM3.4 ECU?

RENAULT, DACIA, CITROEN, PEUGEOT, DAF, NISSAN, in car, truck · bus vehicles. The links in the brand table lead to each brand's own list of operations.

How many credits does a DELPHI DCM3.4 job cost?

A module job costs 1 credit and Stage 1 costs 3 credits; no credit is charged if no result is delivered. Stage 1 + 1 module costs 4 credits; each further module +1 credit.

Start today

A free account for dealers and tuning pros: upload your file, see which operations work, apply your solution.

Create free account