Detroit Diesel Diagnostic Link (DDDL) Software: Function Lockout

Function Lockout (DDEC III Software Revision 4 or Later)

Figure 1.1 - Lockout (DDDL Warning)

The Lockout tab in the Calibration window allows you to protect certain functions in the ECM so that they can only be changed if you have the Function Lockout password as well as the Calibration password.

If the ECM supports Function Lockout, the Lockout tab will show the current Lockout settings when the Calibration is retrieved from the ECM.

1). Connect DETROIT Engine (60 Series) using Detroit Diesel Diagnostic Link (DDDL v6.50). Read More: How to Connecting DETROIT Engines using Detroit Diesel Diagnostic Link (DDDL).

2). Click on Calibration - Retrieve menu, will displays Reading Data from the ECM.
Figure 1.2 - Calibration (Retrieve)
Figure 1.3 - Reading data from the ECM

3). Once completed, click on Lockout tab (Lockout ^0).
Figure 1.4 - Lockout ^0

4). The settings in the Lockout tab affect the settings you can make in the other tabs. If the Lockout tab shows you are locked out of a particular function, you will not be able to change it.

5). To change the functions locked out in the ECM:
  • Type the lockout password into the Group Lockout Password box. This enables the check boxes in the tab.
  • Check any functions that you want locked out (prevented from being changed), and uncheck any that you want to be able to change.
  • Enter the calibration password in the Password box (4 numbers).
  • Press Transmit to send the new lockout settings to the ECM.
Figure 1.5 - Engine Protection (Lockout)
Figure 1.6 - Transmit (Sending Data)
Figure 1.7 - Engine Protection (Lockout - Active)

6). For an example, already set the Engine Protection to locked out (Before and After - Lockout).
Figure 1.8 - Protection (Before - Lockout)
Figure 1.9 - Protection (After - Lockout)

7). The Group Lockout Password unlocks all of the functions, so once you have entered it, you can change any of the Calibration settings in the other tabs, whether they are locked out or not.

Read More:
Retrieve and Save Fleet Calibration using Detroit Diesel Diagnostic Link (DDDL) Software
Open and Changing the Customer Calibration using Detroit Diesel Diagnostic Link (DDDL) Software


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