My local Volvo specialist has checked the codes and although one sensor is showing a code (which he has cleared) he says that it can take a few journeys before the ABS recalibrates after a long power down.

So I'll run it for a few days and see if the warning light clears.

Cheers

LGC

My 850R Auto Estate (UK) is showing the ABS and TRACS OFF lights.
It wasn't before we went on holiday for a month (without the car).
The battery was disconnected because it flattens if you leave the car sitting for a month unused.
So reconnecting the battery may have upset it.

Now I have a ...