Engine ECU DCM7.1A 9845750880 / 42026887 – control unit for 2.0 HDI Peugeot Citroën with board 9833346580
This ECU with reference 9845750880 and alternate number 42026887, based on the DCM7.1A platform and electronics 9833346580, is used in modern Peugeot and Citroën vehicles equipped with 2.0 BlueHDi Euro 6 engines. Found in models such as Peugeot 308, 3008, 508, Expert and Citroën C4 Picasso, C5, Jumpy, Spacetourer, mainly from 2017–2022.
The unit has been thoroughly tested on a diagnostic bench and verified in a test vehicle. It is fully functional but must be assigned to a specific vehicle – no VIN or immobiliser data is stored.
For proper configuration and coding, it is recommended to use tools like DiagBox PSA, Bosch KTS, Launch X431, Jaltest, or Autel MaxiSys. Programming is required before installation.
FAQ – 9845750880 42026887 DCM7.1A engine ECU
1. Does ECU 9845750880 fit every Peugeot or Citroën 2.0 BlueHDi?
No. Peugeot and Citroën vehicles with 2.0 BlueHDi engines were equipped with several ECU hardware and software versions. Before ordering, compare the references on your original unit, especially 9845750880, 42026887, 9833346580 and the ECU type DCM7.1A.
2. Does the 42026887 ECU need programming?
Yes. The ECU is fully tested and operational, but it must be programmed or correctly matched to the vehicle before the engine can be started.
3. Is reference 9833346580 important when choosing a replacement ECU?
Yes. 9833346580 is an important hardware reference used on Delphi DCM7.1A engine control units. For the best compatibility, all numbers printed on the original ECU label should be checked before purchasing a replacement.
4. Can the original DCM7.1A ECU be cloned?
Cloning is possible in certain cases, depending on the exact ECU version, the condition of the original module and whether the required data can still be read correctly. When communication with the original ECU is available, an appropriate programming or cloning method can be selected.
5. How can I confirm that this ECU is suitable for my vehicle?
The safest method is to compare all references printed on your original engine ECU. You can also send us a clear photo of the original module before ordering so that we can help verify the part numbers.
