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Peugeot Keys 101:"The Complete" Guide For Beginners
Peugeot 208 Key Replacement

It is best to leave the replacement of Peugeot keys 208 to auto locksmiths equipped with the equipment and know-how. They can program and create keys faster and cheaper than dealers.

A dead coin battery is the most likely cause when your key fob stops locking or unlocking doors. However, there are many other reasons that the key may be malfunctioning.

Dead Coin Battery

A dead coin battery can stop your Peugeot 208 from locking or unlocking, and will not allow you to start the engine. If this is the scenario, you'll need use the backup starting method which is explained in the owner's manual to your vehicle.

The spark plugs could also be worn out. Spark plugs are what ignite the fuel to start the engine. However they have a finite lifespan. If they aren't used enough to last, they'll eventually fail.

Fortunately, there's an easy solution for this problem. The best solution is to measure the voltage of your car battery using a multimeter. If it is below 11.5 Volts, then you need to replace it. If the battery is damaged it is essential to clean its contacts. You can do this by lifting the rubber covers covering the two terminals on the battery and using a wire brush to remove any parts that are corroded from the battery. Then, reconnect the cables that connect the positive and negative poles.

Water Damage

If your 208 isn't starting and the battery isn't flat, then you need to make sure that the spark plugs work. It could be that they are simply too dirty and don't spark. The spark plugs can be cleaned in an workshop.

Peugeot cars are equipped with a transponder style key that integrates with the car's immobiliser system. This makes sure that only the correct key is able to start the engine. If the chip inside the Peugeot key is damaged then it won't send the proper signal to the vehicle.

Water damage is a typical cause of this problem. This is a typical issue in warmer climates where the vehicle has been exposed to rain or snow. In this case, contact an experienced locksmith who will have the tools and equipment needed to modify the key. They also have the most up-to-date technology and equipment needed to make a Peugeot 208 smart key. The process shouldn't be more than 15 minutes.

Contacts with the battery may be damaged.

Peugeot replaced the transponder chips using a new model that utilizes electronic components that are mounted on a circuitboard. The new system is effective when it's brand new but over time the circuit boards begin to lose their effectiveness and cease working properly.

This can stop the immobiliser from working, so the vehicle won't start. Contact an Peugeot specialist, or a locksmith if this is the case.

Another issue that is common is when the battery in the key fob starts to die, this causes the key blade to stop being able to feed into the lock. A locksmith for cars will replace the battery and then cut a fresh blade for you. This is a quick fix.

Faulty Receiver Module

If your Peugeot key fob has stopped working after dropping it on the floor, getting exposed to a sudden rain or accidentally washing it, it could be due to a malfunctioning receiver module. The receiver is responsible for transmitting radio frequency signals to the on-board computer, which is responsible for controlling the centralized locking system inside your Peugeot vehicle.

The key fob itself is fitted with rubber seals which prevent water from reaching the chip inside. However prolonged exposure to water can cause damage to these seals and the chip. The high salt content in the pool or ocean waters could cause damage to the key fob if it is submerged.

peugeot 208 key fob programming will have to be replaced if your Peugeot spare key is no longer working. This can only be done by an expert auto locksmith or Peugeot specialist. Peugeot keys are, unlike other vehicles, are secured by an immobilizer system. This requires the proper coding to start the car. This is why you should choose a reputable Peugeot locksmith to handle the task of designing and programming an appropriate replacement.

Computer malfunctioning on-board

The on-board computer of your Peugeot is responsible for various functions in your car including airbags and power windows. The on-board computer will display an error code when something goes wrong. The code will be stored in the system until the problem is fixed. In most cases, this will require replacing the computer on board.


The most common reason for the warning light for the airbag to come on is corroded or loose connections within the sensor. This could be due to wear and tear, age or exposure to salt and moisture. This issue needs to be addressed as soon you can, because an airbag that is malfunctioning could pose a risk in the event in the event of an accident.

If you notice an error message that says "card not found" on your Peugeot, the key battery in the key fob might be dead or weak. This will stop the key fob sending a signal that will disable the immobilizer in your vehicle. You can test this by pressing the unlock button on the key fob, then attempting to start your car. If it doesn't work it is because the battery of the key must be replaced.

Read More: https://www.thekeylab.co.uk/peugeot-car-keys/