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xc90 05 seat heaters

A mid-size luxury crossover SUV, the Volvo XC90 made its debut in 2002 at the Detroit Motor Show. Recognized for its safety, practicality, and comfort, the XC90 is a popular vehicle around the world. The XC90 proved to be very popular, and very good for Volvo's sales numbers, since its introduction in model year 2003 (North America). P2 platform.
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eegjr
Posts: 2
Joined: 19 July 2010
Year and Model: XC90 2005 V8
Location: Chagrin Falls, OH

xc90 05 seat heaters

Post by eegjr »

my seat heaters quit working so i purchased new modules at the recommendation of the dealer. Installed them and still no heat. Does something need reset or could I have another issue?

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billofdurham
MVS Moderator
Posts: 6507
Joined: 2 February 2006
Year and Model: 855, 1995
Location: Durham, England
Been thanked: 5 times

Post by billofdurham »

As far as I'm aware the seats are thermostatically controlled and will only switch on when the temperature is low enough to need them. This is certainly the case on the older Volvo models on on most other makes fitted with heated seats.

The wiring diagram for the XC90 does show a temperature sensor in each seat.

Bill.
Work was good - retirement is better.

1996 850GLT 2.5 20v Estate Manual.
1995 Peugeot Boxer 2.5Tdi Autosleeper.
Previously:
1984 244DL, Manual, Beige.
1987 744GLE, Manual, Green.
1991 960 3.0 24v, Auto, Silver.
1994 940T Wentworth, Auto, Blue.

stone36
Posts: 371
Joined: 18 May 2007
Year and Model: 2005 V70R and XC90
Location: Columbus, OH

Post by stone36 »

does anyone know if these are "Pre-wired" for heated seats, as in since mine doesn't have heated seats, can I simply add the switches and have heated seats?
05 V70R TiKap (so happy) 91K
05 XC90 2.5T FWD TiBlak 97K
94 850 wagon 2.4 (N/A) 155K (Sold running like a champ)

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billofdurham
MVS Moderator
Posts: 6507
Joined: 2 February 2006
Year and Model: 855, 1995
Location: Durham, England
Been thanked: 5 times

Post by billofdurham »

I wouldn't think so. The heated seats for any of the XC90s were in the climate package. This package consisted of:
Interior Air Quality Sensor (IAQS)
Rainsensor
Heated Front Seats
Headlamp Washers
cost $600+ and would have been specified at the time of ordering.

Bill.
Work was good - retirement is better.

1996 850GLT 2.5 20v Estate Manual.
1995 Peugeot Boxer 2.5Tdi Autosleeper.
Previously:
1984 244DL, Manual, Beige.
1987 744GLE, Manual, Green.
1991 960 3.0 24v, Auto, Silver.
1994 940T Wentworth, Auto, Blue.

stone36
Posts: 371
Joined: 18 May 2007
Year and Model: 2005 V70R and XC90
Location: Columbus, OH

Post by stone36 »

I have the rain sensors, not sure about IAQS... I know I don't have the washers.
05 V70R TiKap (so happy) 91K
05 XC90 2.5T FWD TiBlak 97K
94 850 wagon 2.4 (N/A) 155K (Sold running like a champ)

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