P0050 = a fault with the left front O2 sensor. Heater circuit often the O2 sensor is bad.
P0500 = Vehicle speed sensor malfunction.
P1529 = Transaxle Control Module request for Malfunction Indicator Light on. The is a fault within the transmission control system and you need to retrieve trouble codes for it.
The radiator fan is not linked to the speed sensor system. The cooling fan control system uses the engine control module tot activate a relay to ground the fan. Check the fan relays. The white wire is the main ground.
Sunday, March 5th, 2017 AT 2:15 AM