2001 volvo s40 immobilizer bypass

Volvo vehicles may refuse to start. If your Volvo won't start, don't panic. Take a look at several tips that will help you start your Volvo again or help you narrow down the problem. Immobilizer See manual error message on the dashboard means your Volvo is not recognizing the key and therefore it will not allow you to start the engine. The problem could be caused by a number of issues, including a bad key, defective ignition or faulty CEM Module.

If you are stranded in a parking lot, try these tips as in most cases one of them will help you start your Volvo. While sitting in the car press the keyfob lock and unlock buttons five times.

Now try to start your Volvo. If the first tip didn't work, get out of the car. Lock the car. Press the Panic button on the key fob and alarm will go off.

Press the unlock button. Enter the car and start the engine. Turn the key to position II then off five times. On the sixth try, try to start the engine. Let's take a look at some of the most common problems that prevent a Volvo from starting and trigger Immobilizer error messages.

If your Volvo won't startand you are getting an Immobilizer message plus your Volvo is acting strangely and is displaying several random messages such as ABS, Airbag, Steering failure chances are that the Central Electronic Module CEM module is the culprit. These units are known to fail. Another possibility is that one of the wire harnesses to the CEM module is loose. You can verify this by making sure that the wire harnesses to the CEM under the dashboard are not loose. Your Volvo key is not being recognized.

This could be due to an issue with the immobilizer, or a key that is damaged. The slot where you insert your Volvo key has a ring. Inside that, there is a wire loop that serves as the antenna. When the antenna fails, your Volvo key will no longer be recognized when inserted into the ignition. The car battery is partially discharged in which case there is not enough charge to power up all the modules. This is often the case when the dashboard lights turn on but you can't start the engine. You can use a Battery Charger to charge your Volvo battery or to get back on the road jump-start your Volvo.

The part is expensive and it also needs to be programmed by the dealer. I'm having an issue getting my xc70 to crank the key turns lights come on but it does nothing.

I replaced a faulty cem thru xemodex I've tried about everything after replacement only options I haven't tried is fully removing the ECM or scanning with a proper diagnostic scanner.Welcome Guest Log In Register.

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Board 2. Immobilizercannot start car View Member Profile. Jun 25PM.

2001 volvo s40 immobilizer bypass

Post 1. 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???

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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 Jul 9PM. Post 2. Is the problem happening with all of the three keys provided by Volvo? It might just be one bad key?

Q: My car won't start and it say immobilizer in my 2007 Volvo S40

Sep 6PM. Post 3. 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 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 Maybe more people will chime in with success stories.

Otherwise I love the car!. Sep 16PM. Post 4. I had my 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.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

It only takes a minute to sign up. That didn't work either. One answer is simply to wait - according to the manual, after 5 hours the immobilizer will reset, and in fact the next morning the car started fine.

I took it into a independent Volvo shop today, and was told that the connection on the antenna ring sometimes goes bad, but the ring itself rarely needs to be replaced - taking off the connector and spraying with contact cleaner is all it needs.

Sign up to join this community. The best answers are voted up and rise to the top. Home Questions Tags Users Unanswered. Asked 8 years, 9 months ago. Active 8 years, 9 months ago. Viewed 53k times. I also tried reversing the key, and using the 2nd key - nothing helped. Any other way to get the car to start?

Active Oldest Votes. I cant post answers yet but this is the solution: google. The Overflow Blog. Q2 Community Roadmap. The Overflow How many jobs can be done at home? Featured on Meta. Community and Moderator guidelines for escalating issues via new response….

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My Volvo S40 06 would not start when I turned the ignition key. I got a message that was somewhat like "Key Error, please try again". I tried with both my keys so it wasn't the key itself.

I think I could hear some relay clicking in the on position. I had the same error about a week earlier but then it worked after a few tries and I didn't think more of it, but this time it would not work.

I called the Volvo assistance and the guy they sent put the key into the ignition, turned it fully on and hit it relatively hard about ten times with the handle of a screwdriver, then he turned it to the off position and repeated the procedure.

The car then started. He said that he had fixed this problem on a few Volvos and they seemed to continue working after this, but he could not guarantee anything. I am not a mechanic obviously so I wonder if someone knows what this error could be. Is it just oxidized connectors or is it a symptom of some bigger problem? What can I do about it? I recently had a similar problem where I got intermittent "Immobilizer" messages. It's a relatively simple job to get to and clean the connector, which might be good preventative maintenance.

Other possibilities: You could have a bad relay. There's a fusebox under the hood, and one of the relays R13 is for the starter. You should be able to remove the relay, and jumper the connection to determine whether or not the relay is the problem. You can get the wiring diagram for the car here. If you had given that description without the screwdriver part, it would sound to me like your car is one of those that has a chip in the key where not just any key matching the physical cut will work, it has to be in combination with the car reading the chip.Welcome Guest Log In Register.

Hello, we have answers for your Volvo-related questions!. Why not take a few moments to ask a question, help provide a solution or just engage in a conversation with another member in any one of our forums. Together we can make our Volvo community a better place.

Powered By IP. Board 2. View Member Profile. Jul 12PM. Post 1. Hello, new to this sort of thing but just had to ask a question. I have a V50 SE Sport 05 and have today for the second time had the immobiliser kick in and my car refuse to start.

Just wondering if anyone else had experience anything similar or heard of it before. Jul 22PM. Post 2.

2001 volvo s40 immobilizer bypass

Hi, I have a V50 T5 I had an opposite issue as yours. My key refused to come out from the ignition lock and a message got displayed saying something like "Immobiliser enabled. Check manual. The car was driving fine, I could start and stop the engine, however, the key was not coming out.

I drove to the dealer where they changed the ignition lock. I didn't have any issues since Aug 8AM. Post 3. Today I had the exact same problem as you benedict.

The steering locked and the car would not start. The V50 is just two months old and is already back at the workshop! The towtruck drivers who picked the car up said they had seen another V50 with the same problem just one week ago. Meanwhile the dealership service guys claimed they'd never seen this issue before.

2001 volvo s40 immobilizer bypass

Is your V50 running properly now? I'm still waiting to hear from the dealership. Sep 23AM. Post 4. I had exactly the same problem yesterday. My V50 SE Sport is 3 months old. I had hope it was just a case of finding a reset button Sep 24AM. Post 5.When try to start the car say nothing everything come on but says nothing when u turn the key what's the problem.

You either have an issue with the immobilizer system or a problem with the battery. If the battery is low then there will not be enough voltage available in the car to deactivate the immobilizer system and start the vehicle. If the battery is fine then I would try an extra key. If the extra key does not work then the immobilizer system needs to be reprogrammed to see if it is a programming issue.

It can possibly be a bad module, but that is not as common. When try to start the car say nothing everything come on but says nothing when u turn the key what's the problem My car has an automatic transmission. Robert Tomashek Automotive Mechanic. Thank Robert. Was this answer helpful? Thank you for your feedback!

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Together we can make our Volvo community a better place. Powered By IP. Board 2. View Member Profile. Nov 26PM. Post 1.

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My s40 t5 had a dead battery that wouldn't hold a charge so I replaced it. With the new battery installed, the lights, ventilation, radio all work but the car won't start. I get a message on the display saying "immobilizer I've tried locking and unlocking the car five times. Does anybody have any ideas? There was no battery in the car for a couple of days so I'm thinking that a code needs to be reset but the dealer is very far away for the car to be towed.

Mar 19PM. Post 2. My daughters S40 had this same problem. After I turned the key on to position 2 and of 5 times, it started on the next try.

Volvo V50 Immobiliser See Manual, error C326 not starting immo lost sync . Fault finding and repair.

Jan 25PM. Post 3. Link To Us. Terms of Use.


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