HOW TO GET THE DOOR UNLOCKED WITH A DEAD KEY FOB Of course you probably won't be able to open the hood until you can get inside the vehicle by other means. ![]() This may require a jump start or replacing the car battery before the power doors will unlock. Your car battery is extremely low or dead. This will require further diagnosis of the electrical system to determine the fault. A fault in the wiring or control circuitry, or even a blown fuse may be preventing the power door locks from unlocking. If miscommunication has messed up the code in the fob, you may have to have it reprogrammed by a car dealer. ![]() Many vehicles use a rolling code that changes each time you use the fob to unlock or start your vehicle. If none of the other buttons work, and you have tried a new battery in the fob, the fob may be bad, or the fault may be in the keyless entry antenna or wiring. You will need a new key fob (which will have to be programmed to your vehicle). If the other buttons work, the problem is a bad unlock button. Try the lock button, trunk release button or panic button. The key fob itself could be defective or have a bad unlock button. If it unlocks the door, the problem may be a weak battery in the key fob, or a problem in the keyless entry antenna or wiring. Try holding the fob right next to the door handle when pressing the unlock button. The keyless entry system receiver(s) on your vehicle may not be picking up the signal from the key fob. The battery inside your remote fob or smart key fob is dead or too low to send out a good signal. If nothing happens when you press the unlock button on your remote or key fob, any of the following could be causing your problem: So here are some reasons why your remote key fob or smart fob isn't unlocking the door, and what you can do to resolve the problem. ![]() Key Fob Remote Won't Unlock Door by Larry Carley copyright Ī key fob that refuses to unlock the door on your vehicle can be really frustrating, and possibly even dangerous - especially if there is a small child or pet locked inside your vehicle. Auto Repair Library, Auto Parts, Accessories, Tools, Manuals & Books, Car BLOG, Links, Index
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