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10 Peugeot Keys That Are Unexpected
Peugeot 208 Key Replacement

Peugeot 208 key replacement should be left to professional auto locksmiths who have the right equipment and know-how. They can create and program new keys faster than a dealership would and at a lower price.

A dead battery for your coin is most likely to be at fault if your key fob stops locking or unlocking the doors. However, there are many other reasons the key could be malfunctioning.

Dead Coin Battery

A dead coin battery will stop your Peugeot 208 from locking or unlocking and cannot start the engine. In this scenario you'll have to choose the alternate method to start as described in your vehicle's owner's manual.

The spark plugs can also be worn out. The spark plugs are responsible for igniting the fuel that powers the engine. However, they have a limited life span. If they are not used enough to last, they'll eventually fail.

Fortunately, there's an easy solution for this problem. Verify the voltage of your battery using a multimeter. If it's below 11.5 volts then you must replace it. It is also necessary to clean the battery's contacts in case it is corroded. You can do this by lifting the rubber covers covering the two terminals on the battery and using wire brushes to clean any parts that are corroded from the battery. recommended is then time to reconnect the cables to the positive and negative poles.

Water Damage

If your 208 will not start and the battery hasn't failed, you should inspect the spark plugs. You might find that they are simply too dirty and don't spark. This can be fixed by cleaning the spark plugs in a workshop.

Peugeot automobiles use a key with a transponder that is compatible with the immobiliser. This ensures that only the right key is able to start the engine. If the chip in the Peugeot key is damaged then it won't send the proper signal to the vehicle.

This is a common problem that can be caused by water damage. This is most common in colder climates. the vehicle could have been exposed to rain or snow. If this is the case, contact a reputable auto locksmith who will have all the tools and equipment needed to change the key's programming. They will also have the latest technology and machinery needed to create a Peugeot smart key. The process shouldn't take longer than 15 minutes.

Faulty Battery Contacts

Peugeot changed from the carbon-encased transponder chips to an entirely new type of chip that uses electronic components within circuit boards. The new system is excellent when it's new, but the circuit boards begin to degrade with time and cease to function properly.

This can stop the immobiliser chip from working and causing your car to not start. Contact a Peugeot specialist, or a locksmith, if this is the situation.


A common issue occurs when the battery of the key fob begins to fail. This causes the blade of the key to stop feeding into your lock. A locksmith in your car can replace the battery and cut a new blade for you, this is typically a quick fix.

Faulty Receiver Module

It could be that the receiver module is defective in the event that your Peugeot key fob doesn't work after being dropped on the floor, or exposed to a sudden downpour or accidentally washed. The receiver is responsible for transmitting radio frequency signals to the onboard computer that controls the central locking system within your Peugeot vehicle.

The key fob itself has rubber seals to prevent water from getting to the electronic chip inside. However, prolonged exposure to water could cause damage to these seals and the chip. The high salt content of the pool or ocean waters could cause damage to the key fob when it is submerged.

If your Peugeot spare key fob stops working then you'll have to get the module replaced. This can only be done by an Peugeot specialist or expert auto locksmith. Peugeot keys are, unlike other vehicles, are secured by an immobilizer system. This requires the right code to begin the car. This is why you must choose a reputable Peugeot locksmith to take on the job of designing and programming an appropriate replacement.

Computer malfunctioning on-board

The computer on board in your Peugeot is responsible for a variety of the systems inside the car, from power windows to airbags. If something is wrong with these systems, they will usually display a code that indicates the problem. This code is stored inside the system and will remain there until the issue is solved. In most cases, this will require replacing the on-board computer.

The most typical reason for the airbag warning light to turn on is corrosion or loose connections in the sensor. This can be caused by wear and tear, aging or exposure to salt and moisture. It is essential to have this issue addressed as quickly as you can, since a malfunctioning airbag can be risky in the event of an accident.

If you see a card not found error on your Peugeot, the key battery in the key fob may be dead or weak. This can prevent the key fob from sending a signal that disables your vehicle's immobilizer. You can test this by pressing the unlock button on the key fob and then trying to start your vehicle. If this fails it is because the battery of the key has to be replaced.