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Volvo 88890300 Vocom Interface is a diagnostic application that covers the whole repair process through the use of plug-ins. With Volvo 88890300 Vocom Interface you can diagnose, test, calibrate, and program a product (a vehicle, engine, or a machine). Volvo 88890300 Vocom Interface also provides functions for updating the tool, communication with the product, and other external applications. Users can setup plug-ins, user authorizations, and available languages as they want.

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.

Volvo Vocom Changing Speed Limit Procedures:

1. Connect Volvo diagnostic interface to Volvo truck DLC, then run software and select “Program”
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2. Select “Service and maintenance”–>”Parameter, Programming”, then click “Start”
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3. Now click “Start” icon and check the box to meet the conditions
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4. Reading data from the control units
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5. Now select “Vehicle ECU”, then scroll down to select “Customer Road Speed Limit”

Here the old value is 100km/h
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6. Click to input new value 120,and click “Continue”
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7. Make sure the value is correct, and click “Program” button
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8. Now then new speed limit value is valid, you can see it here
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