Hello, I have linked out the error codes today with my Volvo 850 2.5 10 V, year 96. The following result: 1-2-1 outdoor air temperature sensor, short circuit in mass 1-2-3 interior temperature sensor driver side, short circuit in mass 1-2-4 interior temperature sensor driver side, interruption or plus circuit 1-2-5 interior temperature sensor passenger side, short circuit in mass 1-3-1 channel air temperature sensor driver side, short circuit in mass 1-3-2 channel air temperature sensor driver side, short circuit in mass 1-3-2 channel air temperature sensor driver side, short circuit or plus circuit 1-3-3 channel air temperature sensor passenger side, short circuit in mass 1-3-4 channel air temperature sensor passenger side, interruption or plus circuit 2-2-2 valve position sensor for driver’s side temperature sensor, short circuit against mass Can anyone see a connection? The heating / climate control system is at once failed. When switching on ignition, everything goes on, but then the LEDs flash for a fault (AUT and REC) and nothing more.