Ok thanks for the advice I will check everything out soon

I have put a new alternator and battery in the car in late Dec

I have a 2000 Volvo s80 that intermittently the abs, tracs light will come on and the brake system failure stop asap message comes on. When this happens the tach and speedo doesn't work along with the odometer. The abs module has been rebuilt. I was wondering what else could cause this problem. Any ...