I had a minor front end hit a few weeks back and since then the parking sensors wouldnt work, all I hear when they are activated is a long beep for around 5 secs and thats it. So got a VCDS hooked up to it and there was an error fault with both the front middle parking sensors. Tried removing the faults and 1 parking sensor fault got removed but the other didnt. Anyway when getting the front end fixed I replaced the 1 parking sensor that still had the fault on it hoping that this would solve the problem, but it didnt. Im still getting the same problem, so just wondering is there any programming that will have to be done again or if I replace all the parking sensors it should work automatically straight after that?