Peugeot 308 Key Fob Replacement
Peugeot's 308 is a bit old but it's appealing. It's not the most luxurious car in its class and it's a Ford Focus or Volkswagen Golf will shield you from imperfections on the road - but it's a relaxing and pleasant drive.
We are often asked at Coded Car Keys to replace peugeot key fobs. The following tips can aid in solving the issue whether it is ongoing or intermittent.
Water Damage
If you leave your key fob in a pool or get it wet when kayaking, swimming, canoeing, rafting or canyoning, it's probably to be damaged by water. Keep your key fob in a dry, dry bag each time you are outside or perform activities that could expose it to large amounts of water.
peugeot keys 's also crucial to make sure the fob has completely dried out prior to opening the fob and then use it. If you notice any smells from the fob (such as industrial fluid or windshield washer fluid) it is a indication that it's been submerged.
A circuit board that is wet could cause the battery to lose its charge, or even explode. If you can pull your keyfob 308 from the water you need to turn the button side up and shake as much water out as you can before opening the casing. Remove the battery, then clean the circuit board using a cotton swab that has been dipped in 90-percent alcohol.
Other reasons why your Peugeot 308 remote keyless entry system might stop working include a dead coin battery problems with the receiver module, signal interference, or a faulty electronic chip. If none of the above is the cause you can reset the system by disconnecting a 12 volt battery from the vehicle for 15 minutes.
Dead Coin Battery

Peugeot cars are equipped with a remote-start feature that allows the driver to start the car from a distance, warming up or cooling down the vehicle prior to entering. This feature is extremely beneficial particularly in cold winter months. Remote start systems can cease to function for a variety reasons, including the dead battery in the coin-battery.
The coin-shaped battery located inside the key fob will last between two and four years based on the frequency with which it is utilized, the place it was purchased, and how it is utilized. The use-by date will be printed on the packaging or mentioned in the user manual.
If the key fob is not functioning after exposure to clean tap water then you must remove the battery, then clean the chip with a paper towel and isopropyl Alcohol, then dry it completely before replacing it. If the key fob was exposed to soapy or salty water, it could have caused the chip to become damaged. It is recommended to replace it.
If you're not sure if the battery is defective, you can check the voltage using a multimeter that is connected to both the terminals plus and minus. The voltage should be around 12-13 volts however, if it reads lower, the battery needs to be replaced. You can also reset your computer that is onboard by disconnecting and reconnecting the 12 volt batteries in reverse order. (positive cable first, then negative cable). The engine should then start.
Faulty Receiver Module
If you don't see "Key Detected" It could be the receiver module malfunctioning. It is the part which sends out an alert when the key fob goes off. It also functions as an alarm that stops the vehicle from starting without the correct key.
It could be due to several causes, such as water damage or simply ageing. If your Peugeot 308 key fob was exposed to dirty tap water, for instance the electronic chip on the inside will be damaged. In this case you will have to take it off and clean it thoroughly using isopropyl or an electronic cleaner. When the battery is clean you can attempt to test it again.
If the issue persists, it is recommended that you visit an area Peugeot expert or locksmith. They will be able to make use of a diagnostic device to identify the problem and repair it for you.
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A malfunctioning electronic chip
The chip in the Peugeot 308 key fob is a critical part in the remote control system. If it becomes damaged, your car might not start, or you could receive a message stating "anti-theft active". In this situation the only option is to replace the key. Auto locksmiths who are professionals are able to provide this fastest possible time.
The chip inside your Peugeot 308 key fob can be damaged due to sweat, water damage dirt, or other causes. If your Peugeot 308 key fob is exposed to soapy water, you should clean it right away. You can make use of a towel and isopropyl alcohol for cleaning the electronic component. The battery must then be allowed to dry completely.
Radio interference can cause the key fob's functionality to cease. This can be caused by other devices that operate on the same frequency as your Peugeot key fob. It could also be caused by bad weather or objects around the vehicle. It is recommended to visit a Peugeot dealer if you experience this problem.
The Peugeot key fob 207/308 is very delicate and requires extra care. It is crucial not to throw or drop the key fob. If you lose something, try to locate it as soon as you are able to. You can reset the onboard computer by disconnection of the battery for a few minutes. Disconnect the negative cable prior to the positive.