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9-3 Sedan, Cabrio ('04+)/Combi & 9-3X Workshop 9-3 SportSedan, Convertible ('04+)/Combi & 9-3X , 2003 - 2012 Technical Forum

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  #1  
Old 20th January 2008
gensok gensok is offline
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Default immobilizer failure Car wont Start

I have an 04 9-3 linear and my battery needed to be replaced, so i just went and bought the battery after replacing i was able to start the car and a couple of hours after i put in the key and the car wont start and i had "immobilizer failure" message on the sid. More importantly i can not even take the key out of the car now.

Has anyone else got this problem and maybe has a solution.
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  #2  
Old 20th January 2008
JonV JonV is offline
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This is a longshot, but disconnect the neg side of the Battery for about 10 minutes and see if it goes away when you reconnect. If your still under warranty, the people that answer the phone for Saab Road Service are pretty good at coming up with little tricks to beat this sort of thig.
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  #3  
Old 20th January 2008
gensok gensok is offline
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Thanks for the quick reply, I have tried to disconect the battery for the entire night as it just happend yesterday and no luck, unfortunatlly my warrenty has expired.
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  #4  
Old 24th January 2008
gensok gensok is offline
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Well it is solved now. I went to the dealer and asked what it could be, they said for sure it is the scl (stearing column lock) and it would be around $400 with towing to do it. I had noyhing to do but agree with them to do it. The night before the car had to be towed to the dealer i did the following: i pressed the unlock button on the remote for about 40 sec while it was in the ignition and the key went from off to lock and i was able to get it out and then start the car with no problem. The message "Immobilizer Faillure" from the SID has gone too. Now go figure how to trust those dealers.
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  #5  
Old 14th June 2009
svald svald is offline
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Default thanks- that worked

I'm not sure if this was actually a solution or if I just waited long enough, but I held down the unlock button with my key in the ignition and it seemed to allow me to start the car.

I've heard that when the battery in the key goes dead there is an issue with the key signal strength/syncing with the immobilizer. I unfortunately let both of my key batteries go dead and had to replace batteries in both, but the immobilizer warning still showed up and it wouldn't allow me to start the car. I figured it was an issue with the system not being able to reset or sync with the key once I changed the batteries so I tried your trick and it seemed to work for now. I'll have to check tomorrow to see if the issue comes up again.
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  #6  
Old 14th June 2009
JonV JonV is offline
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The batteries have nothing to do with starting the car.... there is a passive RF ID Chip (like a magnetic credit card stripe) on the circuit board which the Column Integration module (CIM) recognizes. The batteries are for the remote transmitter... Locks, Lights, Alarm and Trunk operation.
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  #7  
Old 15th July 2010
macool macool is offline
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This procedure cured the immobilizer issue for me also; I held the key in the ignition, held the unlock button for one minute, removed the key and put it back in. Bada bing, car started fine.
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  #8  
Old 23rd August 2010
emacroft emacroft is offline
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Quote:
Originally Posted by gensok View Post
Well it is solved now. I went to the dealer and asked what it could be, they said for sure it is the scl (stearing column lock) and it would be around $400 with towing to do it. I had noyhing to do but agree with them to do it. The night before the car had to be towed to the dealer i did the following: i pressed the unlock button on the remote for about 40 sec while it was in the ignition and the key went from off to lock and i was able to get it out and then start the car with no problem. The message "Immobilizer Faillure" from the SID has gone too. Now go figure how to trust those dealers.
this has happened to my car can you tell me if your car was in lock position off position or on position or ST-starter position when you held key unlock key thanks
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  #9  
Old 23rd August 2010
emacroft emacroft is offline
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Quote:
Originally Posted by svald View Post
I'm not sure if this was actually a solution or if I just waited long enough, but I held down the unlock button with my key in the ignition and it seemed to allow me to start the car.

I've heard that when the battery in the key goes dead there is an issue with the key signal strength/syncing with the immobilizer. I unfortunately let both of my key batteries go dead and had to replace batteries in both, but the immobilizer warning still showed up and it wouldn't allow me to start the car. I figured it was an issue with the system not being able to reset or sync with the key once I changed the batteries so I tried your trick and it seemed to work for now. I'll have to check tomorrow to see if the issue comes up again.
this has happened to my car can you tell me if your car was in lock position off position or on position or ST-starter position when you held key unlock key thank
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  #10  
Old 23rd August 2010
emacroft emacroft is offline
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Quote:
Originally Posted by macool View Post
This procedure cured the immobilizer issue for me also; I held the key in the ignition, held the unlock button for one minute, removed the key and put it back in. Bada bing, car started fine.
this has happened to my car can you tell me if your car was in lock position off position or on position or ST-starter position when you held key unlock key thank
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  #11  
Old 23rd August 2010
emacroft emacroft is offline
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Quote:
Originally Posted by svald View Post
I'm not sure if this was actually a solution or if I just waited long enough, but I held down the unlock button with my key in the ignition and it seemed to allow me to start the car.

I've heard that when the battery in the key goes dead there is an issue with the key signal strength/syncing with the immobilizer. I unfortunately let both of my key batteries go dead and had to replace batteries in both, but the immobilizer warning still showed up and it wouldn't allow me to start the car. I figured it was an issue with the system not being able to reset or sync with the key once I changed the batteries so I tried your trick and it seemed to work for now. I'll have to check tomorrow to see if the issue comes up again.
this has happened to my car can you tell me if your car was in lock position off position or on position or ST-starter position when you held key unlock key thank
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  #12  
Old 7th October 2010
jafanan jafanan is offline
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Quote:
Originally Posted by emacroft View Post
this has happened to my car can you tell me if your car was in lock position off position or on position or ST-starter position when you held key unlock key thank
Im alos thinking this, at what position does the keep need to be to press unlock
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  #13  
Old 7th October 2010
JonV JonV is offline
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If you Insert the Key and the CIM does not recognize it, you cannot turn the key, so the ignition will still be in the lock position.
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  #14  
Old 8th October 2010
03linear93 03linear93 is offline
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change the battery in your key also and unhook the neg battery turminal just happen to me last week
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  #15  
Old 8th October 2010
JonV JonV is offline
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Quote:
Originally Posted by 03linear93 View Post
change the battery in your key also and unhook the neg battery turminal just happen to me last week
The battery in the key has nothing to do with starting the car, it is for transmitter lock/unlock and trunk switch/halo light commands. an RFID circuit in the FOB is what allows the car systems to turn on and start.
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  #16  
Old 9th October 2010
rach2k rach2k is offline
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I tried starting my car this morning (Saab 9-3 convertible), and the key wouldn't turn. Then it would, but gave me the "Immobilizer failure" message. I tried what was suggested in this thread (holding the unlock button on the key while it's in the ignition) a few times, and got the following errors: antilock brake malfunction, and airbag malfunction.

Do I have any hope of starting the car without getting it to a garage?
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  #17  
Old 9th October 2010
JonV JonV is offline
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ARe you sure your Alternator is putting a charge in the new battery?
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  #18  
Old 9th October 2010
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aerojon aerojon is offline
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Welcome to SC..

check the voltage of the car battery,all sorts of error mesages appear when the battery is in a low state of charge..

the only thing in the remote that has anything to do with starting or getting the car to start is the passive rfid chip,nothing else..
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  #19  
Old 9th October 2010
rach2k rach2k is offline
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Quote:
Originally Posted by aerojon View Post
Welcome to SC..

check the voltage of the car battery,all sorts of error mesages appear when the battery is in a low state of charge..

the only thing in the remote that has anything to do with starting or getting the car to start is the passive rfid chip,nothing else..
Thanks for the welcome! Not sure about the voltage, we're going to ask to borrow a multimeter from a mate this afternoon. If it's low, we'll try getting a new battery. I've had the car for two and a bit years (it's 7 years old) and have never changed it (unless it was done at the first service and I just don't remember).

If I do put a new battery in, is there anything I need to be aware of? My previous car was a fiesta, and when I replaced the battery in that, the stereo stopped working.

So key-wise, as long as it can turn (it can't always, because of the immobilizer error), that's definitely not an issue?

Last edited by rach2k; 9th October 2010 at 10:13 AM. Reason: grammar
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  #20  
Old 9th October 2010
rach2k rach2k is offline
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Quote:
Originally Posted by JonV View Post
ARe you sure your Alternator is putting a charge in the new battery?
No, how can I tell?

How long do batteries last?
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