How to Change Speed Limit for Volvo Truck by Volvo PTT

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

How to use Volvo PTT diagnostic software to change speed limit for Volvo Truck?

Preparations:

Procedures:

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

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

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

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Reading data from the control units

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

Here the old value is 100km/h

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

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

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

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Done!
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