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Five Peugeot Keys Lessons From Professionals
Peugeot 208 Key Replacement

It is best to delegate the replacement of Peugeot keys 208 to auto locksmiths who have the equipment and expertise. They will be able to make and program new keys much faster than a dealership would and at a lower price.

A dead coin battery is most likely to be the cause if your key fob stops locking or unlocking doors. There are other causes for the key to be malfunctioning.

Dead Coin Battery

A dead battery in the coin compartment will stop your Peugeot 208 from locking or unlocking and will not start the engine. If this is the case, you'll have to use the backup starting method that's described in the owner's manual to your vehicle.

Another reason why your 208 may not start is because the spark plugs are worn down. The spark plugs ignite fuel to start the engine. However they have a finite lifespan. They'll eventually degrade in the event that they aren't utilized enough.

Luckily, there's an easy solution to this issue. Verify the voltage of your battery using a multimeter. If the voltage is less than 11,5 volts, it's time to replace it. It is also important 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 terminals of the battery, and then using a wirebrush to clean any damaged parts of the battery. Then, you must reconnect the positive pole cables to the negative.

Water Damage

If your 208 will not start and the battery hasn't been replaced, you must check the spark plugs. You might find that they are filthy and don't spark. This can be fixed easily by cleaning the spark plugs in a workshop.

Peugeot automobiles use transponder keys that works with the car's ignition system. This guarantees that only the right key can turn 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 frequent issue that can be caused by water damage. This is most common in colder climates where the vehicle might have been exposed to snow or rain. If this is the case, you should get in touch with a reputable locksmith who has all the equipment and tools needed to change the key's programming. They will also have all the latest technology and machinery needed to create the Peugeot smart key. The process should not take more than 15 minutes.

Contacts of the battery may be damaged.

Peugeot changed from the carbon-encased transponder chips and introduced a new type of chip that incorporates electronic components within a circuit board. The new system is excellent when it's new, but the circuit boards degrade over time and stop working properly.

This could prevent the immobiliser's function from being activated, meaning your vehicle will not start. If this is the case it's a good idea to seek out a Peugeot specialist or locksmith.

A common issue is when the battery in the key fob begins 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 fresh blade for you, it's normally a quick fix.

Faulty Receiver Module

If your Peugeot key fob isn't working after dropping it on the ground, being exposed to a sudden downpour or accidentally washing it may be due to a defective receiver module. The receiver is responsible for sending radio frequency signals to an on-board computer that controls the central locking system inside your Peugeot vehicle.

Rubber seals on the key fob keep water from reaching the electronic chip. However prolonged exposure to water could be able to penetrate these seals and cause damage to 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.

The module needs to be replaced if your Peugeot spare key isn't working anymore. This can only be done by an expert auto locksmith or Peugeot specialist. Like The KeyLab , Peugeot keys are protected by an exclusive immobilizer system that requires the correct code in order to start the engine. This is why you should choose a reputable Peugeot locksmith to take on the job of designing and programming the replacement.

Computers with faulty on-board computers

The computer on board of your Peugeot is responsible for many of the functions in your car including power windows and airbags. When something goes wrong with these systems, it will typically display a code that identifies the issue. The code is stored in the system until the problem is fixed. This will often require the on-board computers to be replaced.

One of the most common reasons for the light coming on is loose or corroded connectors in the airbag sensor. This can be caused by wear and tear, aging, or exposure to moisture and salt. This issue needs to be dealt with as soon as you can, since an airbag malfunctioning could be dangerous in the event of an accident.


If your Peugeot is showing a card not detected error, then the key battery inside the key fob might be dead or weak. This will stop the key fob from sending a signal to disarm your vehicle's immobilizer. You can test this by pressing the unlock button on the key fob and then attempting to start your car. If this fails then the battery on the key is in need of replacement.