i have a 99 td5, my problem is,as i am driving after about 10 mins the alarm on the dash sounds and 3 lights come on, abs, tc, and a lr going down hill. the lights stay on untill i turn the engine off, then they dont come back on untill i have been driving about 10 to 15 minutes again. can anybody tell me whats wrong and most of all what is it going to cost me?