This instruction show you guide on how to use DDDL software to do max road speed change/programming for Freightliner Cascadia truck DDEC13 engine.
Connect diagnostic tool to Freightliner Cascadia truck and PC,then run Detroit Diesel Diagnostic Link software,after truck identification,you will see as below
Select “Parameters” at left side home screen,then select “Speed limiter” at options
Now here it show you with all speed parameters,included vehicle speed,engine speed..
Check Max road speed,the current value is 64,the range from 6.2 to 94
Click it and input new value you want
Here i put 70 and then click “Save”
Now here input password,then click “OK”
After then you will find max road speed programming successfully
More repair cases for Detroit Diesel engines,please refer to:Detroit Diesel Engine Repair