How to Change Speed Limit for Volvo Truck by Volvo PTT

How to Change Speed Limit for Volvo Truck by Volvo PTT

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There is a setting of speed limit for Volvo truck in ECU parameter,if you want to change the speed limit,you need program a new value into the ECU.So here i will show you guide on how to use Volvo PTT diagnostic software to change speed limit for Volvo Truck.

Preparations:

Volvo Premium Tech Tool Free Download

How to Install Volvo Premium Tech Tool PTT Software

Procedures:

Connect Volvo diagnostic interface to Volvo truck DLC,then run software and select “Program”



Select “Service and maintenance”–>”Parameter,Programming”,then click “Start”



Now click “Start” icon and check the box to meet the conditions



Reading data from the control units



Now select “Vehicle ECU”,then scroll down to select “Customer Road Speed Limit”

Here the old value is 100km/h



Click to input new value 120,and click “Continue”



Make sure the value is correct,and click “Program” button



Now then new speed limit value is valid,you can see it here



Done!

This article tech Supported by China OBD2,