Peugeot 208 Key Replacement
Peugeot 208 key replacement is best left to professional auto locksmiths with the right equipment and technical knowledge. They can program and create keys quicker and more efficiently than dealerships.
If the key fob has stopped locking or unlocking your doors it is likely due to a dead battery in the coin. But, there are 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 scenario, you'll need utilize the backup starting method that is detailed in your vehicle's owner manual.
Another reason why your 208 may not start is that the spark plugs are been worn down. The spark plugs are responsible for igniting the fuel that starts the engine. They only last for a certain amount of time. They'll eventually break down if they're not used enough.

Luckily, there is an easy solution to this issue. Verify the voltage of your battery using a multimeter. If the voltage is below 11,5 volts, it's time to replace it. It is also necessary to clean the contacts of the battery if it has corrosion. This can be done by removing the rubber cover from the two battery terminals, and then using a wirebrush to remove any corroded battery parts. Then, you should connect the cables that connect the positive and negative poles.
Water Damage
If your 208 won't start and the battery hasn't failed, you should check the spark plugs. You might find that they are simply too filthy and don't spark. This is easily fixed by cleaning the spark plugs in a workshop.
Peugeot automobiles use a transponder key that is compatible with the car's immobiliser system. This ensures that only the right key is able to turn the engine. If the chip inside the Peugeot key is damaged, it will not send the proper signal to the vehicle.
Water damage is a typical cause of this issue. This is a common problem in warmer climates where the vehicle is exposed to snow or rain. In this case, you need to contact a reputable locksmith who will have the necessary tools and equipment to reprogram the key. They will also have all the latest technology and equipment required to create a Peugeot smart key. The process shouldn't take longer than 15 minutes.
Faulty Battery Contacts
Peugeot replaced the transponder chips using a new type that uses electronic components that are mounted on a circuit board. The new system is great in its initial state, but the circuit boards wear out over time and stop working properly.
This could stop the immobiliser from activating so your vehicle won't start. If this is the case it's a good idea to call a Peugeot specialist or locksmith.
Another common issue is when the battery for the key fob begins to fail, which causes the key blade to stop being able to feed into the lock. A locksmith in your car can replace the battery and cut a fresh blade for you, this is usually a simple fix.
Faulty Receiver Module
It could be that the receiver module is faulty If your Peugeot key fob stops working after being dropped on the floor, or exposed to a sudden storm or accidentally washed. The receiver module is responsible for transmitting radio frequency to the onboard computer which manages the central locking system of your Peugeot vehicle.
The key fob itself is fitted with rubber seals which prevent water from getting to the chip inside. However, prolonged exposure to water could break through these seals, causing damage to the chip. Submerging the key fob into ocean water on the beach or throwing it into the water can be especially damaging because of the high salt content.
The module must be replaced if your Peugeot spare key no longer works. This can only be done by a Peugeot specialist or an expert auto locksmith. In contrast to other vehicles, Peugeot keys are protected by an exclusive immobilizer system that requires the correct programming to start the engine. This is why it is imperative that you should only rely on an authorized Peugeot locksmith to design and program the replacement.
Faulty On-Board Computer
The computer on board in your Peugeot is responsible for a number of the systems within your car, ranging from power windows to the airbags. The on-board computer will display an error code when something goes wrong. The code is stored within the system until the issue is resolved. This can often mean that the on-board computers to be replaced.
One of the most common reasons for the light turning on is the loose or corroded connections in the airbag sensor. This can be caused by wear and tear, aging or exposure to moisture and salt. It is important to have this issue addressed as soon as you can, as an airbag that is malfunctioning can be dangerous in the event of an accident.
If g28carkeys.co.uk notice an error message that says "card not found" on your Peugeot key fob, the battery in the key fob might be dead or weak. This will stop the key fob sending a signal to disable your vehicle's immobilizer. You can test this by pressing the unlock button on the key fob, then trying to start your vehicle. If this does not work, then the key battery must be replaced.