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Immobilizer System

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What Do the Immobilizer Warning Lights Mean?
The immobilizer warning light turns on if your anti-theft system does not recognize the car key being used, if it's the wrong key or low on battery.

Related questions

Question
My 2001 Aurora won't start or turn over at all. All lights headlights come on so it can't be a dead battery. What is it?
The engine immobilizer (security) system is probably active, possibly due to a defective chip key. Once the immobilizer system is "on" you won't be able to start the car. A reported temporary fix is to insert the ignition key and...
Question
My car won't start and it say immobilizer in my 2007 Volvo S40
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....
Question
Horn keeping blowing when key is taken out ignition.
The issue is with the security system on your car. Try disarming the vehicle by holding down on the unlock function to the key fob. If the locks on the car do not work while the horn is sounding, then...
Question
Ran gas out now won't start
Be sure the battery is fully charged. If you suspect low engine oil, the oil level should be checked on the oil dipstick. Of course, confirm that the engine immobilizer system (security system) is not activated thus preventing the car...
Question
I have a 98 Chevy Silverado truck 5.7 liter that also has an alarm. Lately, at times, my truck won't start.
Hi there. The could be an issue with the immobilizer system in your vehicle setting the security off causing the engine to not start or not have any power to the ignition switch. If the immobilizer is working properly, then...
Question
Car immobilizer issue or faulty ignition switch?
If the vehicle is getting power and the light are coming on the dash, then the immobilizer has the ignition system disabled. Check the fuel cut off switch (vehicle safety switch) and see if it has been tripped. If the...
Question
Disable or bypass factory security system
To temporarily override the system, see these instructions. A permanent bypass requires re-engineering the system because engine immobilizers these days rely on multiple electronic modules and chips, the very removal or modification of any one of which, or reconfiguration, will...
Question
question
The security system warning light should not illuminate once the vehicle is started and you are driving. If the light does illuminate, that means there is a malfunction in the security system. Obviously, if this problem started immediately after you...
Question
Battery ?
On some car alarm systems, if battery voltage drops below a threshold, the alarm goes off. In your circumstance, you should have the battery load tested to rule the battery in or out as a possible cause. The security system...
Question
My car won't crank or turn over to try to start. Maybe the Infiniti immobilizer security system.
To see if the Immobilizer System is not working properly or is active, check the security light on your vehicle. If the light is flashing fast, then the system is active. You can reset the system by removing the battery...
Question
Car wont jump start even with new battery.
You might want to first check and see if any diagnostic trouble codes (OBD-II codes) have been stored. Prior to performing diagnostics be sure you have a fully, 100% charged battery. New batteries are not necessarily charged at time of...
Question
Car won't start
The battery may be discharged due to the alarm going off for a long time. You can use a voltmeter to get a rough idea of the battery's condition but technically a load test should be performed on the battery....
Question
Car doesn't turn over and the engine doesn't start.
Hi there. When changing out the body control module the Immobilizer system was tripped. Either the system will have to be reset or the Immobilizer system control has to be replaced. If you need further assistance with your engine not...
Question
After unlocking the car from the drivers side, if the passenger door is opened before the key is put in the car the alarm goes off.
The key should only unlock the driver door with one turn and unlock all of the doors with two turns. If the passenger door is unlocking when the driver door is turned with one turn or if the alarm is...
Question
I think the immobilizer has gone on.
The engine will not start when the immobilizer system is active. Check the key to the vehicle and see if there is a remote to it. If there is a remote, then I suggest replacing the battery in the remote...
Question
2004 Chevrolet Impala SS Security Light
Either the key fob remote's battery is going out causing the immobilizer system to trip the security or the immobilizer system control is not responding. I recommend replacing the battery in the key fob remote and programming the remote to...
Question
What is wrong with my car?
If the vehicle is not starting, simply request a no start diagnostic and the responding certified mechanic will get the underlying fault identified and resolved. Basically, the first thing to do is load test the battery. Although I understand your...
Question
Cant start my car.
The battery in the remote may have to be replaced. The remote batteries only last around 8 years and tend to lessen the time if the keys are dropped. I suggest replacing the battery in the remote and reprogramming the...
Question
My car won't start after a break-in & attempted theft.
When someone breaks in the vehicle, the Immobilizer system shows that the doors were locked from the outside. When the doors are ajar from the outside when locked, the security would set so the vehicle could not be stolen. Look...
Question
Can't turn off immobilizer on 2002 Jetta 2.0l.
The Immobilizer System Control has failed and is stuck in lock mode. I recommend either flashing the Immobilizer System Control or replacing it. If you need further assistance with your engine not starting, then seek out a professional, such as...

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