Peugeot 208 Key Replacement
It is best to leave the replacement of Peugeot 208 keys to auto locksmiths that have the right equipment and knowledge. They will be able to create and program new keys quicker than a dealership and at a lower price.
A dead battery for your coin is the most likely cause if your key fob stops locking or unlocking the doors. However, there are many other reasons why the key might be malfunctioning.
Dead Coin Battery
A dead coin battery will stop your Peugeot 208 from locking and unlocking, as well as making it impossible to start the engine. If this is the situation, you'll need make use of the backup starting procedure that is detailed in the owner's manual for your vehicle.
Another reason why your 208 may not start is that the spark plugs are been damaged. The spark plugs light the fuel to start the engine. However they are limited in their life span. If they aren't used enough to last, they'll eventually fail.
There is a straightforward solution to this issue. The best way to solve this issue is to test the voltage of your car battery using a multimeter. If it's lower than 11.5 Volts, then you need to replace it. peugeot car key replacement cost is also important to clean the contacts of the battery in the event that it is damaged by corrosion. This can be accomplished by removing the rubber covers from the two terminals on the battery and then using a wirebrush to clean any corroded parts of the battery. Then, you should connect the cables that connect the positive and negative poles.
Water Damage
If your 208 won't turn on and the battery isn't flat then you should check that the spark plugs are in good working order. It could be that they are just overly dirty, which causes them not to spark. The spark plugs can be cleaned in the workshop.
Peugeot cars use a transponder style key that is compatible with the car's immobiliser system. This ensures that only the correct key is able to turn the engine. If the chip in the Peugeot key is damaged then it will not send the proper signal to the vehicle.
Water damage is a typical cause of this issue. This is a frequent issue in warmer climates where the vehicle has been exposed to rain or snow. If this is the case, you should get in touch with a reputable locksmith who will have all of the tools and equipment needed to change the key's programming. They will also have the most up-to-date technology and the machinery needed to make the Peugeot 208 smart key. The process should take no more than 15 minutes.
Faulty battery contacts
Peugeot replaced the old transponder chips using a new model that is based on electronic components mounted on a circuit board. This new system works well when it's fresh, however, over time, the circuit boards begin to deteriorate and stop working correctly.
This can stop the immobiliser from working, so your vehicle won't be able to start. If this is the case it's a good idea to contact a Peugeot specialist or locksmith.
A common problem is when the battery of the key fob starts to die. This causes the blade of the key to stop feeding into the lock. A car locksmith can replace the battery and cut a new blade for you, this is usually a simple fix.
Faulty Receiver Module
It could be that the receiver module is malfunctioning in the event that your Peugeot key fob isn't working after being dropped on the floor, exposed to a stormy rainstorm, or accidentally washed. The receiver module is responsible for transmitting radio frequencies to the onboard computer which manages the central locking system of your Peugeot vehicle.

The key fob itself has rubber seals that block water from getting to the electronic chip inside. However, prolonged exposure to water could be able to penetrate these seals and cause damage to the chip. Submerging the key fob in the ocean at the beach or throwing it into the water can be particularly damaging due to the high salt content.
If your Peugeot spare key fob isn't working it is necessary to have the module replaced. This should be done by an Peugeot specialist or a professional auto locksmith. Peugeot keys are, unlike other vehicles, are secured by an immobilizer system. This requires the right coding to start the car. It is for this reason that you should only trust a Peugeot locksmith to create and program a replacement.
Computer with a problem on board
The on-board computer of your Peugeot is responsible many functions in your car including power windows and airbags. When something goes wrong in these systems, it will usually display a code indicating the issue. The code is stored in the system until the problem is resolved. This can often mean that the on-board computers to be replaced.
The most common cause of the airbag warning light to illuminate is corrosion or loose connections in the sensor. This can occur due to wear and tear, aging or exposure to salt and moisture. It is important to have this issue resolved as soon as you can, since an airbag that is malfunctioning can be risky in the event of an accident.
If your Peugeot is showing a card detected as not present error then the key battery in the key fob may be dead or weak. This will prevent the key fob from sending a signal to disable the immobilizer on your vehicle's standard. You can test this by pressing the unlock button on the key fob and then attempting to start your vehicle. If this does not work then the battery on the key will need replacing.