Adjusting Speed Displayed on the Bully Dog GT Tuner to Read Accurately.

    November 10th, 2020

    How to adjust the speed displayed on a Bully Dog GT tuner to read accurately:


    First, you will need to figure out how far off the speed is in percentage. 

    1. Figure out the percentage using this formula: GT speed displayed minus Actual vehicle speed, divided by Actual vehicle speed. 

    2. On the tuner, go to the Main menu->Vehicle settings/Vehicle setup->Adjust speed display. 

    3. Adjust the speed displayed on the Device up, or down by whatever percentage it is off. 

    4. To save, press Go Back.


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