If the code isn't accepted because of defective cable, low battery, electronic glitch, disconnection etc. then re-use your same token until you succeed. When using this service your token will be linked with the VIN, so if the connection losses for previously mentioned reasons then you can repeat Password calculation for FREE.

Seed Number: 
Enter Token : 

Demonstration Video (youtube):

Using this service/page you can calculate 8 charachter Backdoor Password for DDDL8 By VIN & SEED.

This calculator will not work for old Detroit 60 series. Here is a solution for 60 series:

Method 1 (easy):
- Connect to ECM
- Load Calibration Files into Detroit Diesel Calibration Tool (DDCT)
- Go to Shared > CUSTOMER CHANGEABLE OPTIONS > Passwords then change the password to 48,48,48,48.
- Upload changes to the ecm
- Use 0000 as password

Method 2 (DDDL6):
- Setup your interface in DRS Comms Settings
- Run DRS6 and upload Calibrations into Detroit Diesel Calibration Tool (DDCT)
- Navigate to path: C:\Detroit Diesel\DDEC Reprogramming System\Data
- Locate and open file "ddechstry.dat" in a text editor, such as Notepad or Notepad++.
- You need to navigate to move your cursor to col 550.
- The 6 digit ECM master password is stored between rows 550 - 555

DISCLAIMER: This service is supplied only for not moving cars. We will not be responsable for any direct and indirect damages from the use of the file created by this service/page.

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