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Key fob not working

Third generation Volvo V70 wagon and XC70, and second generation S80. Are you an owner? Prospective owner? Get in here and join us! Start a new topic or comment on an existing thread.

2008-2016 V70
2008-2016 XC70
2007-2016 S80

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eitankon
Posts: 29
Joined: 1 February 2022
Year and Model: 2009
Location: Israel

Key fob not working

Post by eitankon »

Hello to all,

A marvelous forum you have and very helpful.

Bought a 2009 S80 2.5 T a month ago.

Key fob stopped working a few day ago , replaced battery with no success.

I got water in the passenger footwell , and once even sow water coming from the roof top light...

Is there a receiver for the key fob remote located in that area? Can the receiver be the reason for the remote not to work?

Appreciate your kind assistance.

Eitan

eitankon
Posts: 29
Joined: 1 February 2022
Year and Model: 2009
Location: Israel

Post by eitankon »

Problem solved!!

Seems like Volvo cars have ghosts inside..... not kidding !

Took out the CEM fuse (10amp - number 20 in the engine compartment) for 15 minutes and the key fob came back to life again.

I remember I gave the same advice to my friend with 2007 xc70 with some immobilizer messages and it work for him as well.

So next time , any weird phenomenon that an electronic device/sensor suddenly stops to work .... try this method.

(maybe water that run inside the roof top caused a short circuit and CEM disabled it ..)

Eitan

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