Peugeot 208 Key Replacement
It is better to leave the replacement of Peugeot keys for 208 to auto locksmiths equipped with the right equipment and expertise. They can create and program new keys faster than a dealership would and at a lower cost.
If the key fob has stopped locking or unlocking your doors, it is likely due to a dead coin battery. There are other possibilities that the key is malfunctioning.
Dead Coin Battery
A dead coin battery can stop your Peugeot 208 from locking or unlocking, and won't start the engine. In this scenario you'll have to employ the alternate method of starting described in your vehicle owner's manual.
The spark plugs could also be worn out. The spark plugs ignite fuel to start the engine. However they have a finite life span. If they are not used enough they will eventually fail.
There is a simple solution to this issue. Verify the voltage of your battery with a multimeter. If the voltage falls below 11,5 volts, it's time to replace it. It is also necessary to clean the battery's contacts when it has corrosion. You can do this by lifting the rubber covers covering the two terminals of the battery and using wire brushes to clean any corroded components of the battery. Then, reconnect the positive and negative pole cables.
Water Damage
If your 208 won't turn on and the battery isn't flat then you should check that the spark plugs are working. It could be that they are simply too dirty and do not spark. This can be fixed easily by cleaning the spark plugs in the workshop.
peugeot 207 key use a transponder key that is compatible with the car's immobiliser system. This guarantees that only the right key can start the engine. If the chip inside the Peugeot key is damaged, then it won't send the correct signal to the vehicle.
Water damage is a typical reason for this issue. This is a typical issue in more cold climates where the car is exposed to snow or rain. If this is the case, you should call a reputable auto locksmith who will have all the equipment and tools needed to reprogram the new key. They will also have the latest technological know-how and machinery required to make a Peugeot 208 smart key. The process shouldn't be more than 15 minutes.
Contacts for the battery that are defective
Peugeot changed from the old carbon-encased transponder chips to a brand new type of chip that incorporates electronic components in circuit boards. The new system is great in its initial state, but the circuit boards wear out over time and cease to function properly.
This could prevent the immobiliser from triggering so that the vehicle won't start. If this is the case it's a good idea seek out a Peugeot specialist or locksmith.
The most frequent issue is when the battery in the key fob starts to fail. This causes the blade of the key to stop feeding into the lock. A locksmith from your vehicle can replace the battery and cut a fresh blade for you, it's generally a quick fix.
Faulty Receiver Module
It could be that the receiver module is malfunctioning if your Peugeot key fob isn't working after being dropped on the floor, exposed to a sudden rainstorm or accidentally washed. The receiver module is responsible for transmitting radio frequency to the onboard computer which manages the central locking system of your Peugeot vehicle.
Rubber seals on the key fob stop water from getting to the electronic chip. The chip can be damaged by water when exposed to water for a long time. The high salt content in the ocean water or pool could cause damage to the key fob, especially if it is submerged.
The module will need to be replaced if your Peugeot spare key no longer works. This can only be done by a skilled auto locksmith or Peugeot specialist. Peugeot keys like other cars are secured by an immobilizer system. This requires the proper programming to allow the car to start. This is the reason why you should only be able to trust a professional Peugeot locksmith to take on the job of designing and programming an alternative.
Computer with a problem on board
The computer on board in your Peugeot is the one responsible for all of the systems within your car, ranging from power windows to the airbags. The on-board computer will show a code when something goes wrong. The code is stored within the system and stays there until the problem is resolved. Most often, this involves replacing the computer on board.
One of the most frequent causes of the airbag light coming on is loose or corroded connection in the airbag sensor. This can occur due to wear and tear, aging or exposure to moisture and salt. This problem should be dealt with as soon as you can, since an airbag that is malfunctioning could be dangerous in the event of an accident.
If you notice a card not found error on your Peugeot key fob, the battery inside the key fob may be weak or dead. This prevents the key fob from sending a signal that disarms the standard immobilizer in your vehicle. You can test this by pressing the unlock button on the key fob, then trying to start your car. If this doesn't work then the battery in the key needs to be replaced.