Peugeot 208 Key Replacement
Peugeot 208 key replacement should be left to professional auto locksmiths with the right equipment and technical know-how. They can create and program keys quicker and more efficiently than a dealership.
If the key fob has stopped locking or unlocking your doors, it could be due to a dead battery in the coin. There are peugeot 207 key replacement for the key to be malfunctioning.
Dead Coin Battery
A dead coin battery can stop your Peugeot 208 from locking or unlocking and cannot start the engine. In this case you'll have to employ the alternate method of starting as described in your vehicle's owner's manual.
Another reason your 208 might not start is because the spark plugs have been worn down. The spark plugs are responsible for igniting the fuel that ignites the engine. They have a limited lifespan. They'll eventually fail in the event that they aren't utilized enough.
Fortunately, there's an easy solution for this problem. The best solution is to determine the voltage of your car battery using a multimeter. If the voltage falls below 11,5 volts then it's time to replace it. If the battery is corroded it is essential to clean its contacts. This can be done by taking off the rubber covers from the two battery terminals, and then using a wirebrush to eliminate any corroded parts of the battery. It is then time to reconnect your cables to connect the positive and negative poles.
Water Damage
If your 208 isn't starting and the battery is not running, then make sure that the spark plugs are functioning. You might find that they are simply too dirty and they don't spark. The spark plugs can be cleaned in a workshop.
Peugeot automobiles use transponder keys that works with the car's immobiliser system. This ensures that only the right key can start the engine. If the chip inside the Peugeot key is damaged, it will not transmit the proper signal to the vehicle.
This is a frequent issue that can be caused by water damage. This is a typical issue in more cold climates where the car is exposed to snow or rain. In this instance, you should contact a trusted locksmith who will have the tools and equipment needed to reprogram the key. They will also have the latest technology and machinery required to make the Peugeot smart key. The process shouldn't take more than 15 minutes.
Faulty Battery Contacts
Peugeot replaced the old transponder chips with a brand new type that uses electronic components that are mounted on a circuit board. This new system works well when it's new, however, over time, the circuit boards begin to lose their effectiveness and cease working properly.
This could stop the immobiliser's function from being activated, meaning your vehicle will not start. If this happens it's best to contact a Peugeot specialist or locksmith.

Another common issue is when the battery in the key fob is dying, this causes the key blade to stop being able to feed into the lock. A locksmith for cars can replace the battery and cut a fresh blade for you, this is normally a quick fix.
Faulty Receiver Module
If your Peugeot key fob stopped working after dropping it on the floor, getting exposed to a sudden downpour or accidently washing it or washing it, it could be due a malfunctioning receiver module. The receiver module is responsible for transmitting radio frequencies to the onboard computer that controls the central locking system of your Peugeot vehicle.
The key fob itself has rubber seals to prevent water from reaching the chip inside. Water can damage the chip when it is exposed to water for a long time. Submerging the key fob into ocean water at the beach or throwing it into the pool could be particularly damaging due to the high salt content.
The module will have to be replaced if the Peugeot spare key is no longer working. This is only done by an expert auto locksmith or Peugeot specialist. Peugeot keys like other cars are protected by an immobilizer system. This requires the right codes to start the car. It is for this reason that you should only rely on an authorized Peugeot locksmith to design and program an alternative.
Computers with faulty on-board computers
The on-board computer in your Peugeot is responsible for a number of the systems inside the car, from airbags to power windows. The on-board computer displays a code if something goes wrong. The code is stored within the system until the problem is fixed. This can often mean that the on-board computers to be replaced.
The most frequent cause for the warning light for the airbag to flash is corrosion or loose connections in the sensor. This can occur due to wear and tear, ageing, or exposure to moisture and salt. This issue needs to be dealt with as soon as you can, since an airbag that is not functioning could be dangerous in case of an accident.
If you see the error "card not found" on your Peugeot, the key battery in the key fob could be dead or weak. This can prevent the key fob from transmitting a signal that will disable the standard immobilizer in your vehicle. Test this by pressing the unlock key on the key fob, and then trying to start your vehicle. If this doesn't work it is likely that the battery needs to be replaced.