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How to Use Volvo PTT to Program ECU

How to Use Volvo PTT to Program ECU

This article show the guide on how to use Volvo PTT to program ECU. I will introduce it with pictures and text. Hope this mini guide will give your some enlightenment.


  • Volvo tech Tool 2.8.175 and up
  • Volvo VOCOM II or NEXIQ USB Link 2 genuine


  • Connect the diagnostic tool to the vehicle,then run the Volvo PTT.
  • After warning massage display, click “Yes”
  • Waiting for system reading unit information.
  • Then you will see the “Work Order Number” window
  • Move the mouse to click “TT2 XX”, then click “Start Work”


1 1

Refreshing central data…waiting

Click the menu bar option “Program”

2 1

Focus on right side content to click “1700-08-03-39 Program Electronic Control Unit”

Click “Start”

Note: This operation is used to program a selected Electronic Control Unit. Parameter values will be transferred to the new software.


3 1

Select “Vehicle ECU(MID 144)”,the click “Program”

4 2


Then PTT software will check conditions automatically.

1.Bttery voltage above 10 V

2.Parking brake applied

3.Ignintion key in ON position Engine not running


5 1


Click “Continue”

System will perform programming steps automatically, as following:

1 .Reading out transferable parameters from selected Electronic Control Units:

2 .Retreving software part numbers

3. Downloading software from control systems

4. Testing programming speed

5. Programming Electronic Control Units

6. Programming Completed


6 1

During the performing programming steps, the if the system prompt you “There are no software updates for the selected Electronic Control Unit”

Do you want to reload t existing software?


7 1 1

Click “Yes”

Then check “I Accept” and click “Continue”

8 1

Waiting system downloading software form control systems

9 1


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