Just a follow up over a year later:
The shop said we had a bad motor and of course wanted to charge about 200 bucks to replace it. So my husband replaces the motor himself (found a $20 motor from a scrap yard) and the wipers still didn't work. Turns out the wiper switch was disconnected! And this ...

My 98 s70 has had this code for about a month now. I've read through this thread and have some symptoms no one else mentioned. Perhaps someone could help me narrow down the possible code triggers based on these symptoms.
Every morning when I try to start the car, it struggles to start and usually ...

I just replaced my alternator and had my battery charged (slow trickle charged it to 'rebalance' the acids in the fuel cells). Now I just got my car back and the windshield wipers don't work. I don't hear any motor when I turn them on. I already checked the fuse and that's fine. Is it the wiper ...