My 2004 3.0d is driven more than 65.000 km without any sort of problems, but now it seem's to have severe brain damage. I have every kind of warnings, the temperature indikator shows cooking most of the time, the odometer and vacuummeter is on and off, no tiptronic. In between the indikators seems to be alright, but most of the time it's catastrophy.
I have opened the big relay box in left upper corner of the engine compartment and checked and cleaned all connections, but the problem is not solved.
Any ideas about what to do next? I think it must be some kind of connection problem, but now I don't know where to look. HELP
PS: I can still use the car, - except for the transmission failsafe program and the cooling fan going on full speed even on cold winter days it seems to work like normal.