Question about 1999 Saab 9-5

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Theft Alarm goes off every 60 seconds

My theft alarm needs "serviced" whatever
that means. It goes into a rotation of going
off and NOTHING will stop it except removing
the fuse, which also shuts down the air conditoning
How can disconnect the alarm altogether??

Posted by on

  • Anonymous Jan 08, 2009

    I've ignored my warning because I know that the repair at the dealer is close to $500. and I've never had any problem with alarm other than the message popping up.  Tonite that changed.  The alarm has been going off for the last 3 minutes every 7 sec. I got in and started it up, nothing!  I pulled out the #14 fuse (according to the book) while it was going off and .  My husband disconnected the battery and that did nothing!!!!!  My car is POSSESSED!!!!!  What do I do?  

  • Necon45 Feb 26, 2009

    I had the same problem with the alarm going off at about 3 min intervaules in my 2002 9-5 linear spoke to dealer and he claims its the batteries in the key/remote i relpaced those and so far (about 1 week) problem has ceased cost about 5$ at you local radio shack or electronics store



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In order to disarm the alarm system, you need a tech 2 computer (usually Saab indy repair shops or Saab dealers only will have this very expensive computer and the flash cards needed) in order to change the programming in the TWICE theft alarm computer so the vehicle thinks it is not equipped with an alarm system. Two other more expensive options are replacing the entire module, or cutting the module open and replacing the internal batteries.
Justin Duthie
Strictly Saab
Melbourne, FL

Posted on Sep 15, 2008

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Remove the left front fender, I performed this while the car was on a lift just in case you do not have a lift you will have to remove the wheel also, remove theft module there is a water proof seal so you will need a razor once remove you will need to desolider the old battery (You can order the replacement battery from this site model # cr 17335se-ft) once remove solider in replacement when closing theft module I recommend resealing module with a sealent.

I made the cheap mistake in ordering the battery with out the tabs which work for a short time because I could not get a connection

Posted on Mar 05, 2009

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This is a known issue with the security unit that is located in front of the drivers wheel well. This is common and it is due to the rechargeable batteries in the unit. I tried to fix mine with replacement batteries, but exact replacements can not be found. It worked for about 6 months, then the same thing. I pulled the unit and the SID display's service theft alarm. This can be disabled as mentioned above, but will probably cost for a TECH II to be connected by a dealer / indy that has one.

I am going to wire up the unit and bring wires into the engine compartment and have a set of rechargeable batteries that can be easily replaced. This seems to be the current acceptable solution. You have to take the unit out, apart (tricky) and take the old batteries out and then wire it up......

Else, get a new unit from the dealer.

To remove have to remove the wheel, pull back the wheel well cover, unbolt the unit and unplug it.

Posted on Jan 10, 2009

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This is what I had to do today after being up all night. I am not kidding I was up every 15 minutes. My neighbors hate me...... and I am exhausted.... Pull the horn relay! It is in front of the battery in the fuse box. There is a diagram on the inside of the fuse box and in your manual you will find what number relay to pull. I believe it is 2. Saab is unable to get it in to fix it.They are booked until next week. I noticed that the lights are still flashing here and there; however, it is quite....Now I need to work on the neighbors...

Posted on May 13, 2010

  • steve Aug 28, 2013

    its your back up battery under driver side fender can unplug it.


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