Check Brake System Warning

[SaintsFan]

So I’m driving on the interstate going 75MPH on adaptive cruise control and out if no where I get a “check brake system” warning on the dash. I pull over, restart the truck and began to drive again. Then it happened again about ten minutes later. Brakes seem to be working fine and everything seems normal otherwise. Anyone know what could be causing this?

 

[jerkstore]

So I’m driving on the interstate going 75MPH on adaptive cruise control and out if no where I get a “check brake system” warning on the dash. I pull over, restart the truck and began to drive again. Then it happened again about ten minutes later. Brakes seem to be working fine and everything seems normal otherwise. Anyone know what could be causing this?

Mine does the same. I have figured out it is only when I use cruise control at 65-70 mph plus. I am going to replicate it before next service and take to dealer.


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[AZ LucaBrasi]

In other cars ive driven it usually means your brake fluid is low or your anti lock brakes have malfunctioned.

 

[kandewinn]

Could be a vacuum leak in the brake system

 

[Qnardacci]

Try pulling the battery cable off for 10 seconds.
Control Alt delete the computer.


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[wheelman55]

So I’m driving on the interstate going 75MPH on adaptive cruise control and out if no where I get a “check brake system” warning on the dash. I pull over, restart the truck and began to drive again. Then it happened again about ten minutes later. Brakes seem to be working fine and everything seems normal otherwise. Anyone know what could be causing this?

Happened to me in the first week of ownership. It was an easy fix:

http://www.fordraptorforum.com/f260/2018-check-brake-system-56814/

 

[Schnatty2Dope]

Did you figure out what was causing this?