I’ve tried re switching the brakes back to vacuum after the glitch what puts them back to Air Brakes, however every time I try to accelerate BC stays no lower than 21 and brakes come on when not accelerating. when everything is released the hud shows (Train Brake Running and loco brake 0%) BP 77 BC 21 VP 21 VC 26.9 Xbox Series X Class 37 West Cornwall Local Sleepy Delivery Scernario Issue at the start once coupled up
After each use of the vacuum brakes, the vacuum must be released from the vacuum chamber in order to use the air brakes again. Just open the valve, wait until the vacuum is completely gone, close the valve and you should be able to drive off with air brakes without any problems.