Brake, ABS, and Traction Control Lights On

    August 15th, 2019

    These symptoms will appear on the 2013+ 6.7L Cummins when the tire size is set with the engine running. 

    To correct the issue follow the steps below. 

    -Turn key on, but leave the engine off.

    -Access the main menu on your GT device.

    -Scroll down to "Diagnostics" and select clear DTC's.

    -After you are back to the Main Menu, select the special functions option and navigate to "Tire size"

    -Set your tire size to the correct size and follow the prompts

    -Once complete, press "Go Back" until you see the main menu

    -Turn key off, at this point the tire size has been properly set and the issue will be resolved. 


    Was this article helpful?

    Can’t find what you’re looking for?

    Our Technical Support team is here for you.

    Contact Support