Peugeot 208 Key Replacement
Peugeot 208 key replacement is best left to experienced auto locksmiths who have the right equipment and technical know-how. They will be able to make and program new keys much quicker than a dealership and at a lower cost.
A dead battery for your coin is most likely to be the cause when your key fob stops locking or unlocking the doors. There are also other reasons that the key might be malfunctioning.
Dead Coin Battery
A dead coin battery will hinder your Peugeot 208 from locking or unlocking and cannot start the engine. In this case you'll need employ the alternate method of starting described in your vehicle owner's manual.
Another reason your 208 may not start is that the spark plugs have worn down. The spark plugs are responsible for igniting the fuel that starts the engine. They are only able to last for a short time. If they aren't used enough and they fail, they'll eventually die.
Luckily, there's an easy solution to this issue. peugeot 208 key to do is to measure the voltage of your car battery using a multimeter. If the voltage falls below 11,5 volts then it's time to replace it. It is also necessary to clean the battery's contacts in the event that it is damaged by corrosion. This can be accomplished by removing the rubber covers from the two battery terminals, and then using a wirebrush to clean any corroded battery parts. Then, reconnect your cables to connect the positive and negative poles.
Water Damage
If your 208 won't start and the battery isn't flat, then you need to make sure whether the spark plugs are functioning. It could be that they are dirty and they don't spark. This can be fixed easily by cleaning the spark plugs in an workshop.
Peugeot cars are equipped with a key with a transponder that is compatible with the immobiliser. This makes sure that only the correct key is able to start the engine. If the chip in the Peugeot key is damaged, it won't send the proper signal to the vehicle.
This is a common problem that is caused by water damage. This is particularly prevalent in colder climates where the vehicle may have been exposed to snow or rain. If this is the case, you should seek out a reputable auto locksmith who has all the tools and equipment needed to modify the new key. They'll also have the latest technology and machinery needed to make a Peugeot smart key. The process shouldn't take more than 15 minutes.
Contacts for the battery that are defective
Peugeot replaced the transponder chips using a new version that makes use of electronic components mounted on a circuit board. The new system is great in its initial state, but the circuit boards degrade over time and stop working properly.
This could stop the immobiliser's function from being activated, meaning the vehicle won't start. If this happens, it's a good idea to get in touch with a Peugeot specialist or locksmith.
A common issue occurs 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 for cars will replace the battery, and then cut a new key blade for you. This is a simple solution.
Faulty Receiver Module
If your Peugeot key fob has stopped working after dropping it on the floor, being exposed to a sudden downpour or accidently washing it the wrong way, it could be due to a faulty receiver module. The receiver is responsible for transmitting radio frequency signals to the onboard computer, which is responsible for controlling the centralized locking system in your Peugeot vehicle.
The key fob itself is fitted with rubber seals to prevent water from reaching the chip inside. Water can damage the chip in the event that it is exposed water for a prolonged period of period of. The high salt content in the pool or ocean waters can cause damage to the key fob, especially if it is submerged.

The module will have to be replaced if your Peugeot spare key does not work anymore. This can only by done by an Peugeot specialist or expert auto locksmith. Like other automobiles, Peugeot keys are protected by an unique immobilizer system that requires the correct code to start the engine. This is the reason why you should only go with a knowledgeable Peugeot locksmith to take on the job of programming and creating an alternative.
Computer on-board is not working properly
The computer on board of your Peugeot is responsible for a variety of functions in your car including airbags and power windows. When something goes wrong in these systems, it'll typically display a code that identifies the problem. The code will be stored within the system until the problem is fixed. This may require the on-board computers to be replaced.
One of the most common reasons for the light flashing is loose or corroded connection in the airbag sensor. This can be caused by wear and tear, aging or exposure to salt and moisture. It is essential to have this issue resolved as soon as possible, as an airbag that is malfunctioning can be dangerous in the event an accident.
If your Peugeot is showing a card detected as not present error, then the battery inside the key fob could be dead or weak. This will stop the key fob from sending a signal to disarm the immobilizer in your vehicle. You can test this by pressing the unlock button on the key fob and then trying to start your car. If this does not work the battery on the key needs to be replaced.