![]() See Also: Car Starts But Then Dies? Here’s Why #4 – Key in Ignition Does Not Turn If it weren’t for the problems with the locking mechanisms, there could be a wide variety of reasons why your engine does not start.īut if you experience those problems and have an engine that doesn’t make an attempt to start, then you clearly have a problem with either your immobilizer or the smart key itself. #3 – Engine Does Not StartĪ common symptom of a problem with your engine immobilizer is that your vehicle does not start at all. The problem with this is that you risk the chance of leaving your car keys in the vehicle with no way to get them out. Without a working smart key or key fob, the only way you can lock your doors is if you lock them from the inside as the doors are open and then you close the doors. Similar to the last symptom, you probably won’t be able to lock your doors with your smart key if you cannot unlock them either. At this point, you’d have to call a locksmith to unlock the door. This means if you lock the doors from the inside and then close the doors, you won’t be able to get back into your car because your key won’t be able to unlock the doors. Unfortunately, many modern-day vehicles don’t have keyholes on the outside of the doors, so you cannot open them manually with your key. When you use your key to attempt to unlock the doors of your vehicle remotely, the doors don’t unlock. Here are the 5 most common signs that you can expect to experience if there’s a problem somewhere in your car’s immobilizer system. Like anything else that is electronic, an immobilizer system can malfunction and case some problems for you. Top 5 Symptoms of an Engine Immobilizer System Malfunction The bad news is that if you lose your key fob or the transponder chip is damaged or goes bad, you’ll need to get a new key from the auto dealership which can be very costly. The good news is that this this electronic immobilization system works very well in preventing car theft and getting your key stuck in the ignition is a thing of the past. This security code is random each time you start the vehicle and your key is the only source that can generate the correct token for the vehicle. If the key is not legitimate or there is no key fob or transponder present, the car will not start. If this security code matches the code in the immobilizer system, the car will be allowed to start. When you put the key into the ignition or have the key fob inside the vehicle (for keyless fobs), the transponder chip inside the key fob sends a security code to the car’s immobilizer system. The inside of the key fob contains a transponder chip. You just have to be inside the vehicle with the key fob in order to start the car by way of an Engine Start button.īefore paying an arm and leg at the dealership, be sure to check out for a replacement key fob at a fraction of the price. ![]() Many key fobs on newer vehicles don’t even have a physical key attached to the base. That is why the base of the key contains buttons to lock and unlock car doors, open the trunk, or sometimes even remotely start the vehicle. The car keys that car dealerships distribute now are basically key fobs or smart keys. If you’ve purchased a car that was made within the last 20 years, then you’ve probably already used this technology without even realizing it. Research studies have proven there are 40% fewer car thefts since immobilizers were introduced into cars. Its purpose is to prevent a vehicle from being hot-wired and stolen by a thief who doesn’t have a key to start the engine. Top 5 Symptoms of an Engine Immobilizer System MalfunctionĪn engine immobilizer system (or car immobilizer) is a great piece of electronic security technology which is basically a vehicle theft deterrent.
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