Software Upgrade May Fix Climate Control System Problems on Volvo XC90

There have been problems with the climate control system not working at times. Volvo has made a Software upgrade for the AC control module is available that can correct certain climate control system faults.

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Average mileage: 97,673 (2,140–217,000)
9 model years affected: 2004, 2005, 2006, 2007, more2008, 2009, 2010, 2011, 2016
32 people reported this problem
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problem details
2006 Volvo XC90 217,000 mi,
have had same trouble with fan speed control not responding or changing force of blower on its own - told I need new climate control module and software upgrade for approximately $1800 in part(s) and labor. Haven't done it yet as I as trying to find out if way of getting software upgrade without replacing climate control module to see if that fixes it (if you can even get such an upgrade without getting a new part/module??).
2004 Volvo XC90 80,000 mi,
blower motor stop working
2004 Volvo XC90 124,000 mi,
fan speed button on the climate control stopped working
2007 Volvo XC90 127,000 mi,
heat will not engage. blowers work AC seems to work. No heat comes from vents. but the seats get hot. Also, oil leak from AWD. Two out of five problems on one car, this is not good
2006 Volvo XC90 98,000 mi,
Fan stays on all time
2005 Volvo XC90 72,567 mi,
the climate control fan, i can not stop.
AC goes from blowing cold air to regular air then recently does not blow any air at all
intermittent AC
2004 Volvo XC90 188,000 mi,
Fan will run when car is off climate control fan
2016 Volvo XC90 2,140 mi,
2016 XC90 Volvo has no heat. I reset the center console and it still will not come back on. The AC and Blowers are working but still No Heat and it is snowing here. :-).
2016 Volvo XC90 2,500 mi,
Not warming inside the car. Set at 80 degrees! Even after driving 10-15 minutes
2010 Volvo XC90 78,000 mi,
Fan cuts on when the Volvo XC 90 is turned off. Not sure of precisely the scenario in terms of how the system was set prior to turning off the car, but this is clearly a bug somewhere.
2004 Volvo XC90 175,000 mi,
Ace comes on blows cold air then starts blowing regular air. Ace is charge. no leaks
2008 Volvo XC90 80,000 mi,
I have had the system recharged and then took car back for them to check again, they could not duplicate the problem.. so did nothing. Happening again now and will return to dealer this evening. No solution -
2011 Volvo XC90 59,600 mi,
Blower motor stopped working. Still get air thru ducts if car is moving and recirc is off. Hoping it's a software thing but not holding my breath. This Volvo was purchased overseas with the military purchase program and we've had multiple problems (The mirror computer was completely replaced TWICE within months of purchase, etc). This is the first major problem out of warranty.
2004 Volvo XC90 152,000 mi,
Blower and A/C work Great. NOOOOO HEAT
2007 Volvo XC90 80,000 mi,
Ac stops at times and comes back randomly
2004 Volvo XC90 91,000 mi,
After driving 2 hours on highway in very hot day 100+ F. Blower speed control stop working. Blower start working in two stages off or full speed. During couple hours stop, after ignition off, blower did not stop and was working all time (2 hours). While next 1 hour drive temperature control stop working. Was stuck on cold. AC on/off button was working.