2013 KW T-370 Has 4,715 miles Was towed in. Driver says speedo quit and lots of lights came on. Had P0880 (loss of power) from shift pad. Also 3328 and 3526 codes (VSS). Found TCM. Power on pins 10 and 70 and key power on 63 are ok. Ground pins 9 and 69 are no... Login to read more.