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Dash dead / Windows won’t open Topic is solved

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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bfry
Posts: 52
Joined: 25 March 2018
Year and Model: 2006 XC90 2.5T AWD
Location: NY
Has thanked: 31 times

Re: Dash dead / Windows won’t open

Post by bfry »

Attaching most recent scan fwiw...
Initial State.PNG
Unselected CSC.PNG
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bfry
Posts: 52
Joined: 25 March 2018
Year and Model: 2006 XC90 2.5T AWD
Location: NY
Has thanked: 31 times

Post by bfry »

Replacement DIM works - but all other problems still there.

Thinking of just pulling CEM and sending it in...
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bfry
Posts: 52
Joined: 25 March 2018
Year and Model: 2006 XC90 2.5T AWD
Location: NY
Has thanked: 31 times

Post by bfry »

OK - FIXED!

MoVolvos - THANK YOU for recommending Yagger. Guy is a genius - bottom line, I would not have gotten this fixed without him - VERY GOOD GUY.

Ended up being a bad CCM (Climate Control Module) - it's signal corrupted the entire low speed CAN BUS network which fouled dash, radio, locks, windows, sunroof, dome lights and caused all kinds of communication problems between other modules as per VIDA. Very interesting how one bad module can lead to soooooo many things going haywire.

Learned a lot through this, including how to use an oscilloscope and saved a TON of $ - dealer would have had a field day with this one.

Thank you to everyone and this forum!
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