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False "Bulb Failure Low Beam" Message - 2004 XC90 T5

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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gshadow325
Posts: 149
Joined: 1 October 2008
Year and Model:
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Re: False "Bulb Failure Low Beam" Message - 2004 XC90 T5

Post by gshadow325 »

did you put new bulbs in yet?
1998 Olive Green V70 T5 Manual - 155k Awesome car
2003 Nautic Blue XC90 T6 3rd tranny - 162k Modded
2001 Nautic Blue C70 T5 Manual - 92k Not stock at all
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joelq
Posts: 33
Joined: 13 June 2011
Year and Model: 2004 XC90 2.5T ~135K
Location: Frisco, TX (Dallas, TX suburb)

Post by joelq »

gshadow325 wrote:did you put new bulbs in yet?

I did, yes. The first thing I did was replace both bulbs as both were at least a couple years old already.

Looking at the schematic for the lights, the only other possibility I can think of is the relay (CMI6 or CMI7). According to the schematic, lines come out of the shunt to both the CMI6 and CMI7 relays, but I'm also thinking that if the relays are bad that the lights wouldn't work at all. Does my logic make sense?

Thanks!
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