P0058 HO2S Heater Control Circuit High (Bank 2 Sensor 2)
ask chuck noris
Mattews Volvo site has instructions and pictures on how its done.
Volvo heater relay93 Volvo 850 heater motor relay is on the heater box towards center of car. That is without the digital climate control. There are two relays side by side, my relay has bad points and a blue cover. The resistor pack could also be your problem, it is on/in the heater box also. The heater box is below the glove box in front of passengers knees. The Dealership refers to the resistor as a power unit (for auto climate control) systems. When this fails, the blower motor will not work. No heat or A/C. A different resistor is required for manual climate systems. To access this unit, you will need to remove the the glove box , the support bracket for S.R.S (passenger side) , and possibly the wire harness. There should be left of the blower motor, the resistor. New up to $300. salvage yard $6-25. Try Crazy rays
P0042 HO2S Heater Control Circuit (Bank 1 Sensor 3)
If your Volvo 960's sun roof is not working, you might have an issue with the roof motor or with the fuse. You could also have a problem with the control switch or the wiring.
YES
What heat r u referring to, is it the seat heater. If it is, turn off the seat heater
You will need to remove the water lines from your heater core. Remove the heater core retaining bolts. Reverse the process to install the new heater core.
needs new heater coil.
Volvo
The heater core in a Volvo S60 is typically located behind the dashboard on the passenger side of the vehicle. Accessing and replacing the heater core usually requires removing the dashboard and other components in the interior of the car. It is a complex and labor-intensive process best performed by a professional mechanic.