Sounds like it could be a problem with your brake light switch mounted on the arm of your brake pedal under the dash.
Where is brake light fuse for 2004 Ford Explorer located
Defective or out of adjustment brake light switch.
Blown fuse or defective brake light switch.
is that even a full question?
where is the fuse box locations on a 1992 ford explorer?
Check the bulbs - they are double filamented- smaller for stop and larger for tailights
check brake light switch on brake pedal maybe getting bad
Could be bad brakelight switch or blown fuse
3157
I'm assuming that one of your brake lights is not working , if this is a message being displayed in your Explorer
What year is the Ford Explorer ? There could be a separate fuse for the lower brake lights
Did you check the switch on the brake pedal assembly?