CG FC200 Read and Write Delphi ECU DCM3.5 (CRD2.2) by Boot Mode OK

Posted on by eobdtool.co.uk

A 2012 Jeep Compass 2.2 diesel ECU with DCM 3.5. Actually it’s from Mercedes company 2.2 diesel, similar with CRD2. It’s 136 horsepower. It can’t be read via OBD or on bench, but it can be read/write with CG FC200 ECU Programmer in boot mode.

CG FC200 Read and Write Delphi ECU DCM3.5 CRD2.2 by Boot Mode 1

Please follow the steps as below:

Connect FC200 to a PC and run software
Select Mercedes>> DELPHI CRD2.X MPC556X>> Boot

CG FC200 Read and Write Delphi ECU DCM3.5 CRD2.2 by Boot Mode 2

Check the wiring diagram
Open ECU shell, and then connect FC200 to ECU according to the wiring diagram

CG FC200 Read and Write Delphi ECU DCM3.5 CRD2.2 by Boot Mode 3

Held the brown cable to GPT-0 point in boot mode

CG FC200 Read and Write Delphi ECU DCM3.5 CRD2.2 by Boot Mode 4

Start to perform the related operation
Connect ECU successfully

CG FC200 Read and Write Delphi ECU DCM3.5 CRD2.2 by Boot Mode 5

Read and back up the original PFlash and ExtEEPROM in sequence

CG FC200 Read and Write Delphi ECU DCM3.5 CRD2.2 by Boot Mode 6

CG FC200 Read and Write Delphi ECU DCM3.5 CRD2.2 by Boot Mode 7

After that, load file to write only the difference between the original and what I modified
Write data successfully

CG FC200 Read and Write Delphi ECU DCM3.5 CRD2.2 by Boot Mode 8

CG FC200 ECU Programmer:

https://www.eobdtool.co.uk/wholesale/cg-fc200-ecu-programmer.html

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