Peugeot 308 Key Fob Replacement
Peugeot's 308 might be catching on a bit however, it's still eye-catching. It's not the plushest car in its class and an Ford Focus or Volkswagen Golf will isolate you even better from imperfections on the road - but it's a relaxing and a civilized driving experience.
Here at Coded Car Keys we are often asked to replace peugeot 308 key fobs. If the issue is constant or intermittent these tips will help.
Water Damage
If you accidentally drop your key fob in a pool or splash it with water when kayaking, swimming, canoeing, rafting, or canyoning, it's probably to be damaged by water. The best way to prevent this from happening is to keep it in a dry bag when you're going outdoors or doing activities where the fob could be exposed to a lot of water.
It's also important to make sure that the fob has dried out prior to opening it and use it again. If you notice any smells from the fob (such as industrial fluid or windshield washer fluid), this is another indication that it's been submerged.
A circuit board that's wet can cause the battery to discharge its energy or even explode. If you can remove your keyfob 308 from the water and turn it upside up and shake as much water out as possible before opening the casing. After you open it, take off the battery, and then clean the circuit board using an abrasive soaked in 90 percent isopropyl alcohol.
Other reasons your Peugeot 308 remote keyless entry system that you use to enter your home may not function include the battery of your coin is dead or receiver module issues, signal interference, or an electronic chip malfunctioning. If none of these is the reason, you may try resetting your system by disconnecting the battery at 12 volts for about 15 minutes.
Dead Coin Battery
Peugeot cars come with a remote-start feature that allows the driver to start the car from a distance and then warm up or cool down the vehicle prior to stepping inside. This feature is very useful, especially in the cold winter months. Remote start systems may cease to function for a variety reasons, such as the dead battery in the coin-battery.

The coin-shaped battery that is inside the key fob will last between two and four years, based on how often it is utilized, the place it was purchased and how it is used. The date of use is usually found on the packaging or in the manual.
If the key fob stops functioning after being exposed to clean tapwater, take out the battery and clean the electronic chip with an absorbent paper towel that has been soaked in isopropyl ethanol. Then dry the chip completely before replacing it. If you expose it to soapy or salty water, the chip could be fried and you will require replacing the key fob altogether.
If you're not sure the battery is defective you can check its voltage with a multimeter that is set to the car's voltage range. Connect it to the minus and plus terminals. If the voltage is lower than 12-13 volts, then you must replace the battery. You can also try to reset your on-board computer by disconnecting the battery with 12 volts for a couple of minutes, and then reconnecting it in reverse order (positive cable first followed by negative). The engine should then start after this.
Faulty Receiver Module
If you don't see "Key Detected" you might find that your receiver module is faulty. It's the component that transmits the signal when your key fob is activated. It also acts as an alarm and prevents the car from starting without the correct key.
The cause could be a number of reasons, such as water damage or simply ageing. If your Peugeot 308 key fob has been exposed dirty tap water, as in the electronic chip inside may be damaged. In this case you'll have to take the device apart and clean it thoroughly with isopropyl alcohol or an electronic cleaner. When the battery is clean, you can try again.
If the problem persists the issue persists, it's a good idea to seek out an area Peugeot specialist or locksmith. They'll be able to use a diagnostic tool to help pinpoint the issue and fix it.
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A malfunctioning electronic chip
The electronic chip that is in the Peugeot 308 key fob plays an essential part in the remote control system. If peugeot 207 key fob is damaged, your car might not start or receive a message that reads "anti-theft active". If this happens, the only way to fix the issue is to get a new key. Fortunately, professional auto locksmiths can provide the service in the shortest amount of time.
The chip in your Peugeot 308 key fob can be damaged by sweat, water damage, dirt or other reasons. If your Peugeot 308 key fob is exposed to soapy water, you should clean it right away. You can clean the electronic component with an absorbent paper towel that has been soaked in isopropyl Alcohol. Then, you need to let the battery 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 be caused by unsafe conditions or objects that are near to the vehicle. It is recommended to visit a Peugeot dealer in the event of this issue.
The Peugeot 207/308 key fob is extremely delicate and requires care. It is crucial not to throw or drop the key fob. If you lose it, try to find it as quickly as is possible. You can reset the onboard computer by disconnection of the battery for a few minutes. Make sure you disconnect the negative first, and then the positive.