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Peugeot 208 Key Replacement
It is best to leave the replacement of Peugeot 208 keys to auto locksmiths equipped with the necessary equipment and technical expertise. They can create and program keys faster and less expensive than dealers.
A dead coin battery is most likely to blame the reason why your key fob isn't locking or unlocking doors. There are other reasons for the key to be malfunctioning.
Dead Coin Battery
A dead coin battery will stop your Peugeot 208 from locking and unlocking, and also hindering it from starting the engine. In this instance you'll have to choose the alternate method to start that is described in the owner's manual.
Another reason your 208 might not start is because the spark plugs are worn down. Spark plugs are what ignite the fuel to start the engine. They only last for a certain amount of time. If they're not used enough and they fail, they'll eventually die.
There is an easy solution to this problem. Check peugeot key of the battery using a multimeter. If it's lower than 11.5 volts then you must replace it. If the battery has corrosion it is crucial to clean its contacts. This can be done by lifting the rubber covers covering the two terminals of the battery and using wire brushes to clean any parts that are corroded from the battery. It is then time to reconnect your cables to connect the positive and negative poles.
Water Damage
If your 208 will not start and the battery hasn't gone flat, you should inspect the spark plugs. It could be that they are just overly dirty, causing them not to spark. The spark plugs can be cleaned in an workshop.
Peugeot automobiles use keys that are transponder-type and works with the car's ignition system. This ensures that only the correct key can turn the engine. If the chip inside the Peugeot key is damaged then it will not transmit the proper signal to the vehicle.
Water damage is a common reason for this issue. This is most common in colder climates where the vehicle may have been exposed to rain or snow. If this is the case, you should seek out a reputable auto locksmith who will have all the tools and equipment required to modify the new key. They also have the most up-to-date technology and the machinery needed to create the Peugeot 208 smart key. The process shouldn't take more than 15 minutes.
Faulty battery contacts
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Peugeot changed from the old carbon encased transponder chips to an entirely new type of chip that uses electronic components in circuit boards. The new system is excellent when it's new, however the circuit boards wear out over time and cease to function properly.
This can stop the immobiliser chip from activating which means that your car won't start. If this is the case, it's best to call a Peugeot specialist or locksmith.
A common problem is when the battery in the key fob starts to die. This causes the blade of the key to stop feeding into the lock. A locksmith for cars 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 when your Peugeot key fob doesn't work after being dropped on the floor, exposed to a stormy rainstorm, or accidentally washed. The receiver is responsible for transmitting radio frequency signals to the onboard computer that controls the central locking system in your Peugeot vehicle.
The rubber seals on the key fob stop water from getting to the electronic chip. The chip can be damaged by water if it is exposed to water for long periods of time. The high salt content of the pool or ocean water can cause damage to the key fob when it is submerged.
If your Peugeot spare key fob doesn't work then you'll have to get the module replaced. This is only done by an Peugeot specialist or a professional auto locksmith. Unlike other cars, Peugeot keys are protected by an unique immobilizer system that requires the correct programming for the start of the engine. This is why you should only be able to trust a professional Peugeot locksmith with the task of programming and creating an appropriate replacement.
Faulty On-Board Computer
The computer on board in your Peugeot is responsible for a number of the systems in your vehicle, from power windows to airbags. The computer on board will display the code when something goes wrong. This code will be saved within the system until the problem is fixed. Most often, this involves replacing the computer on board.
The most frequent cause for the warning light for airbags to turn on is corrosion or loose connections within the sensor. This can be caused by wear and tear, age or exposure to moisture and salt. This issue needs to be dealt with as soon as you can, because an airbag malfunctioning could pose danger in the event of an accident.
If you see the error "card not found" on your Peugeot, the key battery inside the key fob may be weak or dead. This could prevent the key fob from sending a signal that disables the immobilizer on your vehicle's standard. You can test this by pressing the unlock button on the key fob and then attempting to start your vehicle. If this doesn't work then the battery on the key must be replaced.