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by htimsenyawed
26 Jan 2024, 14:03
Forum: S80 1st gen 1999-2006
Topic: 2002 S80 2.9 NA SOS Beep Mystery
Replies: 11
Views: 1831

Re: 2002 S80 2.9 NA SOS Beep Mystery

Yep, somebody's already been there. Maybe what you are experiencing is the result of a dying battery? Low voltage can do some strange things to electronics. I had considered that, but I tested the battery back in December before the cold hit us, and it tested good. I pulled the battery and put it o...
by htimsenyawed
26 Jan 2024, 11:57
Forum: S80 1st gen 1999-2006
Topic: 2002 S80 2.9 NA SOS Beep Mystery
Replies: 11
Views: 1831

Re: 2002 S80 2.9 NA SOS Beep Mystery

The 5 amp fuse I'm referring to is for the Siren module only and is labeled as such. This is the module that has its own internal battery that can take a dump on the PCB rendering the whole thing useless. Would have to spend a couple hundred to replace it or if you are lucky and the board is salvag...
by htimsenyawed
26 Jan 2024, 11:37
Forum: S80 1st gen 1999-2006
Topic: 2002 S80 2.9 NA SOS Beep Mystery
Replies: 11
Views: 1831

Re: 2002 S80 2.9 NA SOS Beep Mystery

The 5 amp fuse I'm referring to is for the Siren module only and is labeled as such. This is the module that has its own internal battery that can take a dump on the PCB rendering the whole thing useless. Would have to spend a couple hundred to replace it or if you are lucky and the board is salvag...
by htimsenyawed
26 Jan 2024, 09:33
Forum: S80 1st gen 1999-2006
Topic: 2002 S80 2.9 NA SOS Beep Mystery
Replies: 11
Views: 1831

Re: 2002 S80 2.9 NA SOS Beep Mystery

If you are referring to the siren module in the front right wheel well you should be getting an error message about it. If it’s like my 2000, you should be able to pull the 5amp fuse on the drivers side of the dash to take it offline. No error message unless I arm it, but I don’t do that. Is the fu...
by htimsenyawed
26 Jan 2024, 08:06
Forum: S80 1st gen 1999-2006
Topic: 2002 S80 2.9 NA SOS Beep Mystery
Replies: 11
Views: 1831

Re: 2002 S80 2.9 NA SOS Beep Mystery

Sounds like this is the emergency flashers and the beep is the relay to drive them. Perhaps with some other cross wiring issues. Has the emergency flasher button been accidentally pressed? volvolugnut To my knowledge, no. Whenever I put the key in the first position to check for any errors is when ...
by htimsenyawed
26 Jan 2024, 07:13
Forum: S80 1st gen 1999-2006
Topic: 2002 S80 2.9 NA SOS Beep Mystery
Replies: 11
Views: 1831

Re: 2002 S80 2.9 NA SOS Beep Mystery

JBaldy wrote: 26 Jan 2024, 06:15 I don't know the answer but that is interesting. So, the taillights were pulsating when the car was just sitting there not running and without the lights on?
Yeah, I stepped outside, and it was one second on, one second off. Tail lights only, no other lights.
by htimsenyawed
25 Jan 2024, 08:40
Forum: S80 1st gen 1999-2006
Topic: 2002 S80 2.9 NA SOS Beep Mystery
Replies: 11
Views: 1831

2002 S80 2.9 NA SOS Beep Mystery

Curious issue I have here. I noticed that my tail lights, and tail lights only, were pulsing on for one second and off for one second. This, of course, depleted the battery. However, I wanted to see if there was an issue that was present on the dash without starting the vehicle - so I put my key in ...