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> Immobilizer, cannot start car...again!
buffalovolvo
post Jun 25 2006, 05:16 PM
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[COLOR=blue]Hi-
I am new to the forum and I wish it were under a better circumstance. Had our cross country towed last night for the third time in a month. Keep getting an immobilizer alert on the message board. Our service dept at the dealer did replace the antenna ring once but the problem occured again. Got the car back after the second repair and all seemed well but within 4 days the car failed again.
Any thoughts??? So frustrating and I'm afraid to take our children out in the vehicle for fear we will all get stuck somewhere. Thanks for any thoughts anyone may have.............
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starfish
post Jul 9 2006, 04:19 PM
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Is the problem happening with all of the three keys provided by Volvo? It might just be one bad key?
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scubagirl
post Sep 6 2007, 05:10 PM
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Hi buffalo-

I am new here and looking for the same answers! I've totally stopped driving our xc after three strandings because of the immobiliser. Luckily we have a "spare"; our "hauling" car- an old 850 that I am driving everywhere.

My husband keeps trying with the xc (he must be more optimistic than I am) and he is stranded yet again today. It is the second time in two weeks.

The dealer keeps telling us to wait five hours then it will start. As if this is a good option while standing in a parking lot somewhere...

It happens with all the keys; we've had the ring replaced...still no luck.

Maybe more people will chime in with success stories. Otherwise I love the car!
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Obey the Fist
post Sep 16 2007, 04:52 PM
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I had my 2001 XC70 parked in the hospital's garage while my son was being born. On one of my many trips to the car over those 3 days I found a set of keys I had lost and replaced long ago. Since it cost me $300 to replace them, I was happy to have a spare. I wondered if the remote would still work and tried it out. Doors locked just fine!

The day we were sent home I went to the car so I could pull up front and load my wife and son. Car would not start. "Immobilizer. See Manual," read the message board. I didn't have a manual with me. I jumped to the conclusion that I had triggered some sort of anti-theft device by using the long lost, disabled remote, so I called my dealer.

"Have it towed to us. We'll have you back up and running in a couple of days." This was not an option, so I searched the internet. Lot's of questions about this, but no answers and I needed to get my family home.

I ended up calling a friend for a ride and had the car towed. At the dealership the guy took my keys and locked/unlocked the door 5 times in a row with the remote. This reset the immobilizer and I was on my way. Obviously they couldn't just tell me that over the phone, but good god. I hope this info can help someone else.
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pezlaa
post Dec 15 2007, 10:09 AM
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Just to add to this:

My volvo S40 1999 wouldnt start. Ignition turned, didnt start, and all the dash lights came on. Immobilizer light was flashing. Just would not even turn over.

Done the instruction below from Obey the Fist and it worked fine.

I ended up calling a friend for a ride and had the car towed. At the dealership the guy took my keys and locked/unlocked the door 5 times in a row with the remote. This reset the immobilizer and I was on my way. Obviously they couldn't just tell me that over the phone, but good god. I hope this info can help someone else.
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Volvo S 40
post Aug 19 2008, 06:57 AM
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Thanks guys. I will try this next time. My problem was that I put my key next to a magnetized key from work. I ran into an another problem, I spent 10 mins trying to start the car, then it finally started but my check engine light went on. After driving for 15 min I turned the car off and then turned it back on the the check engine light went off. Did anybody else experienced this.
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dougpeng
post Aug 29 2008, 10:54 PM
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I am experiencing the same problem with my 2001 V40 in the last few weeks. Sometimes it would start perfectly, sometimes it requires 3~5 tries before it starts. A few times it won't start altogether. I realized it was a faulty immobilizer when I checked the dashboard, as there is a blinking car icon with an "X" over it. This icon means the Immobilizer has been activated and hence won't allow the car to start. I tried the locking and unlocking of the doors five times with the remote to reset the immobilizer and it seems to cure the problem each time. I'll report back in a few weeks to confirm if this is indeed true.
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milo123
post Sep 14 2008, 09:44 PM
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In the past 6 months we have had problems with our 01' V70 T5 not starting. The immobilizer message would come up on the dash, but what is important to note is that the immobilizer indicator didn't appear initially but only after several attempts at trying to start the car. The reason this is important is because many are having their immobilizer unit and antenna replaced (we had the antenna ring replaced for $100) and I don't believe the immobilizer was the problem. Instead we had a loose connection to the starter (keeping my fingers crossed that this is/was the problem) and the immobilizer appears to have been triggered by the many attempts at simply trying to start the car; as a security device this seems to make sense that it would be triggered after successive attempts at trying to turn the key. It should be noted that we did have issues with both keys (we do not have a valet key) and we also tried the locking and unlocking 5X trick with no luck. In short, after we had the antenna replaced and continued to have problems my mechanic in Minneapolis (Foreign Auto specialties-who I swear by) and I started to check the voltage at several points and found the loose connection at the starter. Since we tightened the connection we have had no problems. Best of luck to all who might have similar problems.

steven
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freediver
post Mar 3 2009, 04:55 AM
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An other greatful member:

S40 1998, immobilizer was on, no ignition. Did what "Obey the Fist" recommended. AND IT WORKED!!!

Thanks a lot!
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Login:dhts
post May 3 2009, 07:23 PM
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I had already had my Volvo 750 towed, with my family aboard, 150 miles home from holiday when I heard about a similar problem with a Rover parked near a microwave communication dish on a telephone exchange. The repairman said the problem was due to RF interference, pushed the car 30 feet away and it started immediately.

The first time my V 70 did it, it was in a hospital car park. After an hour the repair truck arrived and parked between the Hospital's VHF mast and my car and it started first time. The repairman gave a similar story about interference.

Today I got towed up onto the truck, for what was going to be an very inconvenient loss of vehicle. I asked for one last try and it started quite happily.

All of these could have been "Obey the fist"'s five door trick, as I must have done that by the time each of them started. I will try that next time, push the car down the road if it does not work; then call for help.

Dissapointing that Volvo Assistance do not recommend these simple remedies before sending out a truck.
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mcollard
post Aug 17 2009, 08:40 PM
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I also have had this problem, however mine says Alarm Service Required.

Suspect rechargeable batteries in alarm have failed.

Will try suggestions here (battery, starter cable, module cabling) before tearing into security module.
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jenk178
post Mar 29 2010, 05:08 PM
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It worked; the car would not start with any of our keys; the remote did not work; we put the key in the door and locked/ unlocked 5+ times. And voila! Thanks!!
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rjace52
post Oct 14 2010, 08:23 AM
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We have 2002 XC wagon as well. We love the car but we had the same starting issues as well recently. It would occasionally not start and we got the immobilizer message. It would eventually start after a few tries. But yesterday it failed to start at all. Fortunately the car was in our driveway and we have AAA so we had it towed to the Volvo dealer. I was amazed, and impressed, by the fact that the service manager knew exactly what the problem was. It was a loose wire that goes from the antenna wring to the starter. They cleaned and replaced it, free of charge I might add, and the car started right up. He told me that 90% of the time that is the problem. He explained it this way...The wire gets corroded or loose over time. Then if you fail to get a good connection the dash lights come on, turn the key and nothing. You sometimes don't get the immobilzer message right away. ONLY after you try to start it a few times. The car then thinks someone is trying to steal it and it kicks in the immobilizer and shuts the car down. So if you get this problem have the wire checked. It worked for us! (IMG:style_emoticons/default/smile.gif)
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bark22
post Nov 1 2010, 07:58 AM
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I have a 2005 S40 and this morning I had the same issue where the car didn't start the first time and I saw a "immobilizer activited" message displayed. The second time the car did start with no message but my "check engine" light came on. I drove it to and from work and found this forum and a possible solution of "locking and unlocking the door 5 times with the key". Well, the car starts fine now AND the check engine light went away. Thanks for the solution!
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Chefburgess
post Nov 27 2010, 10:54 PM
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I have a 2004 v70, and I suspect it might be the immobilizer. Generally, after a heavy rain, I can count on the car failing. It wont start or crank, and there is no power at all. Sometimes, it will stall in the road and cant be started. I have taken it to the Volvo shop twice, and they are unable to register any codes to diagnose. They seem competent enough, but this is the second time they are returning a vehicle to me that they cant fix.
I have asked them to check the immobilzer, antenna ring, corroded wires from the starter, and requested that they start from the ignition and troubleshoot to the starter, I will pay for the labor.
So here are my question's:

Does this sound like an immobilizer problem?
Why wont any codes show up in the diagnostics?
Why wont Volvo attempt to troubleshoot without code systems, even if I am willing to pay for the work?
Is it standard that a diagnostics wont register a "no crank scenario"?

I love my car. If Volvo cant fix it, what is my next step? How can I troubleshoot this myself?

All advice is greatly appreciated.
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shagrat2006
post Dec 14 2010, 04:22 AM
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Hi guys.

Unfortunately, the solution proposed by Obey the Fist didn’t work for me.

I have the same problem with immobilizer but it just comes when it’s cold (-2°C…-5°C…-10°C). The battery is new; I changed it this year. The coolant doesn’t appear frozen but it wasn’t replaced since 5 years.

Should I replace the coolant for fixing my problem?
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izodmartin
post Feb 9 2011, 05:36 AM
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I'm had the same issue never tried the remote thing, but my fix was to rub the key handle on the ignition switch and it starts.
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glassfishy
post Mar 4 2011, 03:08 PM
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QUOTE (rjace52 @ Oct 14 2010, 08:23 AM)
We have 2002 XC wagon as well. We love the car but we had the same starting issues as well recently. It would occasionally not start and we got the immobilizer message. It would eventually start after a few tries. But yesterday it failed to start at all. Fortunately the car was in our driveway and we have AAA so we had it towed to the Volvo dealer. I was amazed, and impressed, by the fact that the service manager knew exactly what the problem was. It was a loose wire that goes from the antenna wring to the starter. They cleaned and replaced it, free of charge I might add, and the car started right up. He told me that 90% of the time that is the problem. He explained it this way...The wire gets corroded or loose over time. Then if you fail to get a good connection the dash lights come on, turn the key and nothing. You sometimes don't get the immobilzer message right away. ONLY after you try to start it a few times. The car then thinks someone is trying to steal it and it kicks in the immobilizer and shuts the car down. So if you get this problem have the wire checked. It worked for us! (IMG:style_emoticons/default/smile.gif)


THANK YOU VERY MUCH...

I just bought a used S60 two weeks ago and noticed every once in awhile the car wouldn't start on first try. We tried to start this morning and it wouldn't crank at all. I tried it later that day and it wouldn't start again. After a few attempts I got the Immobilizer message.

Just to make sure everyone understands there are two problems here.

The main problem is the corroded starter wire that is starting the problem. When this problem starts you attempt to start the car and it "locks" or immobilizes the car from starting. So you have to do the lock/unlock 5 times as described above to reset the system. What I did was reset the immobilizer system and jiggled the set of wires going to the starter and it started. I have yet to undo the set of wires as they're hard to get to and I'm not a car person. Going to take to a friend and have him help. But if you're in a pinch and can locate where the start is, there is a set of wires to the left that you can jiggle. This allowed me to start it. Worst case scenario, take it to your mechanic and have them do this first before they start replacing crap.

Steve
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s40champ
post May 30 2011, 01:15 PM
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Drove down the coast yesterday from NorCal to SoCal (approx 500 mi) and when I went to start my car this morning, I got the infamous immobilizer message. I immediately went online and came across this thread. I tried the "Obey the Fist" post, and my car immediately started after.

Thanks so much!!!
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danielm85948
post May 30 2011, 05:27 PM
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QUOTE (buffalovolvo @ Jun 25 2006, 06:16 PM)
[COLOR=blue]Hi-
I am new to the forum and I wish it were under a better circumstance. Had our cross country towed last night for the third time in a month. Keep getting an immobilizer alert on the message board. Our service dept at the dealer did replace the antenna ring once but the problem occured again. Got the car back after the second repair and all seemed well but within 4 days the car failed again.
Any thoughts??? So frustrating and I'm afraid to take our children out in the vehicle for fear we will all get stuck somewhere. Thanks for any thoughts anyone may have.............

i think to all of you with this ,get a new battery for your remote.
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