Hi Guys - thanks for all the replies.

Well I had removed the fuse and that did not help. But as you know, I had to take my 2001 V70 to the dealer for an airbag recall. Even though I brought this additional issue to their attention, that the sunroof and central locking and map lights all stopped working at the same time, and that I had researched online and that this was a known issue among this model due to the wiring being on the same line and the battery corroding and leaking, and I asked if they could just use the VIDA Remove Alarm software product to remove it permnanently but they said the cost was $300 and was not guaranteed to work (or for the car to "take it")

Anyway, after telling them that my central locking went out but that the rear passenger doors never worked in my 7 years owning it (only the driver, front pass, rear tailgate and gas), a tech checked over the car and sent me a video - he said it was in excellent shape otherwise withe some uneven feathering on tires - and this is an '01 with close to 300k miles. However, in the video he says the tailgate was not working and they opened it from the inside - when I got it home, the whole drive side of the inside panel plastic was broken with electrical tape over it and when I closed the tailgate, the panel flew half off. Shouldn't the dealer be responsible for this??? My panel is now broken.

Then when no one figured out, a second tech looked at it and knew of this as a common problem on P2. They gave me a $1000 cost for the alarm siren replacement and said it was at cost (the siren is $238 on volvo usa site so I guess the rivets and labor are $700??). Paid $320 with tax for "diagnostic fee" walking away with aribrag recall fixed but locks still not working and sunroof open still and this was 10 days at the dealer!!!! And my tailgate panel is broken to boot!!

Anyway, I bought a used reconditioned siren with new battery off ebay for $65 and saw a couple videos where one can just open the lower 3-4 rivets of the fender panel, disconnect old, connect new and tuck new one into a pocket space without all the grinding the one bolt out. Gonna do this as a DIY until my uncle mechanic in PA can fix right when i visit in the summer. Part comes this Wed so will update once done.


Strangely no one reports the locks not working as issue with the siren - only sunroof and map lights.

Is there are relay for central locks somewhere? I already replaced the fuse. Remember, only my driver, front pass, tailgate and gas lid ever worked on the master central (key or master switch). But one day, they all just stopped - same moment as sunroof and lights.


I have never had a working keyless remote though I have it. It never worked - not a battery issue.

Hi,

That is a wonderful link to look into.
I had no idea about this cars quirks until this thread started.
I have learned a lot of things by thumping around in places I didn’t belong.
Thanks!

It’s also nice information about how to do a reset.
That being the three times to lock and unlock the doors can be handy in many things today.
That’s like radios having program codes with all zeros being the default.

Now I wonder what got designed first. The car with an empty hole up there or the siren that needed that specific hole?
Adding on a the special security fastener into that tight of a spot was an engineer with a sadistic attitude or had roommates in college that thought like squirrels.

(:) IMO.

Phil

Think Marlin nailed it.
--
Will I buy another Volvo??? We'll see....

https://www.fcpeuro.com/products/volvo-burglar-alarm-siren-s60-s80-v70-xc70-genuine-volvo-9452709

They told me $500-600 initially and then upped it to over $1,000 and said it was at cost. I was also charged a $320 diagnostic fee - the first tech couldn't figure it out even though I said it was the siren battery/board causing the issue. The second tech just repeated my claim back to me. And the one tech actually broke my tsilgate interior panel (the plastic on the driver side where it attaches - all broken up in pieces by him). I had said the central lock wasn't working as part of the siren issue (sunroof and map lights too) but from the video I was sent, he seemed to think it was an issue he resolved, opening the tailgate from the inside but now every time I close the tailgate, the panel nearly falls off. I need to make a claim.

You know, only one tech at the entire dealer could drive a manual trans too. Hmmmmmm. Well, at least airbag recall fixed - won't die from metal shrapnel if I get into an accident.

Of course - nothing has gone wrong on it really since 2016 besides two decades of wear and tear.
But the dealer has now had the car since Tuesday and didn't jump at proposing the siren and battery replacement as a fix for th Alarm Service Message AND the sunroof/Map Lights/Locks situation. Though it seems this is a known issue on 01's with folks saying the siren battery corrodes and leaks and its on the same circuit line as those other items.

Has anyone had the Alarm System Service message and had their sunroof/locks/map lights go dead? Was a new siren/battery the fix? I imagine it is the battery leaking b/c as I said, never had the siren in the 6-7 years I have owned - only the flashing lights for the alarm