A How-To Guide For Peugeot Keys From Beginning To End
Peugeot 208 Key Replacement
It is recommended to leave the replacement of Peugeot keys 208 to auto locksmiths who have the necessary equipment and technical know-how. They can create and program keys quicker and more efficiently than dealers.
If your key fob stopped locking or unlocking your doors it could be due to a dead coin battery. There are other reasons why the key may be malfunctioning.
Dead Coin Battery
A dead coin battery can hinder your Peugeot 208 from locking or unlocking, and will not allow you to start the engine. In this scenario you'll have to employ the alternate method of starting found in your vehicle's owner's manual.
Another reason why your 208 might not be starting is that the spark plugs are been worn down. The spark plugs ignite the fuel to start the engine. They have a limited lifespan. If they aren't utilized enough they will eventually fail.
There is a simple solution to this problem. Examine the voltage of your battery with a multimeter. If the voltage falls below 11,5 volts, then it's time to replace it. If the battery has corrosion it is crucial to clean its contacts. This can be done 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 does not start and the battery hasn't been replaced, you must examine the spark plugs. You might find that they're dirty and don't spark. This can be easily corrected by cleaning the spark plugs in a workshop.
Peugeot cars have transponder keys that works with the car's ignition system. This ensures that only the correct key is able to turn the engine. If the chip inside the Peugeot key is damaged, it won't send the proper signal to the vehicle.
Water damage is a frequent cause of this problem. This is a common issue in warmer climates where the vehicle has been exposed to snow or rain. If this is the case, contact a reputable auto locksmith who has all the equipment and tools needed to modify the new key. They will also have all the latest technology and equipment needed to create a Peugeot smart key. The process should take no more than 15 minutes.
Contacts to the battery are not working properly.
peugeot spare key changed from the old carbon-encased transponder chips and introduced a new type of chip that incorporates electronic components in a circuit board. This new system works well when it's new, but as time passes, the circuit boards start to degrade and stop working correctly.
This could stop the immobiliser chip from working, so your car won't start. Contact an Peugeot specialist or a locksmith, if this is the situation.
Another common issue is when the battery for the key fob is dying, this causes the blade of the key to stop being able to feed into the lock. A car locksmith can replace the battery and cut a fresh blade for you, it's normally a quick fix.
Faulty Receiver Module
If your Peugeot key fob has stopped working after dropping it on the ground, being exposed to a sudden rain or accidentally washing it or washing it, it could be due to a defective receiver module. The receiver is responsible for sending radio frequency signals to an on-board computer, which is responsible for controlling the centralized locking system in 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 can penetrate these seals and damage the chip. Submerging the key fob into ocean water 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 doesn't work then you'll have to get the module replaced. This should be done by an Peugeot specialist or a professional auto locksmith. Peugeot keys like other cars are secured by an immobilizer system. This requires the correct codes to start the car. This is why you should only choose a reputable Peugeot locksmith to take on the job of programming and creating an appropriate replacement.

Faulty on-Board computer
The computer on the board of your Peugeot is the one responsible for all of the systems in your car, ranging from power windows to the airbags. The on-board computer will display a code when something goes wrong. The code is stored within the system and will stay there until the issue has been resolved. This may require the on-board computers to be replaced.
The most common cause of the warning light for the airbag to come on is corroded or loose connections in the sensor. It can be due to wear and tear, aging, or exposure to moisture and salt. This problem should be addressed as soon you can, because an airbag that's malfunctioning could be dangerous in case in the event of an accident.
If your Peugeot is showing a card that is not being detected error, then the battery in the key fob could 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 attempting to start your vehicle. If this fails, the key battery is in need of replacement.