We recently bought a Yeti and didn't realise that the rear wiper wasn't working, I tracked the lack of activity down to a missing fuse in the interior fuse box, but when I replaced it I found that the rear wiper ran all the time (one wipe every 10 seconds) no matter where the wiper stalk was set, also would randomly trigger and sometimes run continuous while driving. I also found an error code in the BCM which rather unhelpfully said "Pump electronics failure" and no other information. The