Brake system Service now, speedometer stops working, more

[bdras1]

I have a 2015 Ford Transit diesel dually. 15ft box on the back, reefer and aftermarket heater, added aux fuel tank.

Has 57k miles. Working fine until driving back from Texas to Nevada received the error message: "Brake system Service now". The speedometer and cruise control stops working while driving. Still drives normal when this happens.

Took to dealer, they replaced the "Instrument Cluster" and sent us on our way. 20 miles later same issue. Took it back next morning, tech refused to work look at it until we removed all aftermarket wiring from the vehicle modules. We ran a separate fuse box for all aux equipment. Still have problem. Going to take back to dealer and I guess we have to wait until they figure something out.

HELP! Also, any way to have Ford reimburse the $619 they charged to replace a non-faulty instrument cluster???

[S60r]

try ABS sensors. Wheel speed sensor its called sometimes... should be attached to the inside of the hub.