Low Brake fluid warning

[coaster48]

Had this happen on our way home this Spring
Pulled over after dash brake light came on.....released emerg. Brake lever a few times to see if that was it....?
Checked master cylinder and fluid was ok...looked at wheels for dampness....nada
Started driving and went another few hundred miles...no warning?
Ready to take RV in for service and am getting read out...."low brake fluid"
What could it be? Read online it could be sensor on master cylinder, or emergency brake, or wet weather and rough roads ( this was the case when it first surfaced? )
Anyone had this occur?
I have a 2014
Tiffin Allegro Open Road 36 LA
Thanx, Neil

[60sumtin]

Admittedly I'm not familiar with MH brakes as I've never worked on them so I could be wrong but I wouldn't expect to find emergency or parking brakes to be hydraulic. A safety backup system that is mechanical cannot lose braking due to a leak. I suspect the fluid sensor is bad.

[rjsupersonic]

Recommended service calls for a brake flush every 2 years ...may be moisture in the system.

[garykk]

If you found no leaks, and master cylinder is full then I would suspect the sensor or it’s connections. All warnings go thru the computer. You might try disconnecting the battery for a few minutes and see if the warning clears. If not start at the sensor in the master cylinder.