Peugeot 308 Key Fob Replacement
Peugeot's 308 is a little old but it's appealing. It's not the most luxurious car in its class, but it's an enjoyable and comfortable drive.
Here at Coded Car Keys we are often asked to replace peugeot 308 key fobs. No matter if the issue is constant or intermittent the following tips will aid.
Water Damage
If you accidentally drop your key fob into a puddle or it is wet while kayaking, canoeing, rafting or canyoning the fob is more likely to be damaged by water. The best way to prevent this from happening is to always keep it in a dry bag whenever you're outside or performing activities in which the fob may be exposed to high levels of water.
It's also crucial to make sure that the fob has dried out prior to opening it up and then use it again. If you detect any smells coming from the fob, such as an industrial-type liquid smell or that of windshield washer fluid, this is another indication that it's submerged in water.
A circuit board that's wet can cause the battery to lose its energy or even explode. If you can get your 308 keyfob out of the water and turn it upside up and shake as much water as you can before opening the casing. After opening it, remove the battery and wipe the circuit board with the help of a cotton swab that has been dipped in 90 percent isopropyl alcohol.
Other reasons why your Peugeot 308 remote keyless entry system that you use to enter your home may fail to function include a dead battery for your coin, receiver module issues signal interference, a faulty electronic chip. If none of the above is the issue it is possible to reset the system by disconnecting the 12 volt battery from the car for 15 minutes.
Dead Coin Battery
Peugeot cars are equipped with remote start that lets drivers start their car from the distance, allowing them to warm up or cool down the car prior to entering. This feature is extremely useful particularly during the winter's cold and chilly months. However, sometimes the remote start system stops working due to a variety of reasons, including a dead coin battery.
A coin-shaped battery that is in the key fob has a life span of two to four years, depending on how often used and where it is purchased. The date of use is printed on the package or in the user's manual.
If the key fob has stopped working after being exposed water that is clean, remove the battery and clean the electronic chip with the help of a paper towel that has been soaked with isopropyl ethanol. Then dry the chip 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 unsure whether the battery is damaged it is possible to check the voltage using a multimeter that is connected to both the terminals plus and minus. If the voltage is lower than 12-13 volts then you should replace the battery. You can also try to reset the onboard computer by disconnecting the battery with 12 volts for a few minutes and reconnecting it in reverse order (positive cable first and then negative). The engine should start.
Faulty Receiver Module
If you don't see the "Key Detected", it could be that your receiver module is malfunctioning. It's the component that transmits the signal when your key fob turns on. It also functions as an alarm that stops the vehicle from starting without the correct key.
This could result from a variety of causes including water damage or simply the aging process. If the chip inside your Peugeot 308 keyfob is damaged due to dirty tap water it could be due to the fact that the keyfob was exposed it. In this situation you'll have to take the unit apart and clean it thoroughly with isopropyl alcohol or an electronic cleaner. Once the battery has dried you can attempt to test it again.
If the issue continues to persist you're probably in need of a idea to seek out an area Peugeot specialist or locksmith. They'll be able to use a diagnostic tool to assist in identifying the problem and fix it.
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Faulty Electronic Chip

The electronic chip inside the Peugeot 308 key fob plays an essential function in the remote control system. If it becomes damaged, your car may not start, or you could receive a message saying "anti-theft active". In this instance, the only solution is to replace the key. Auto locksmiths with experience are able to offer the fastest possible time.
The chip inside the chip of your Peugeot 308 key fob can be damaged due to sweat, water damage, dirt or other reasons. If your Peugeot 308 key fob is exposed to soapy water, it is recommended to clean it immediately. You can clean the electronic component using a paper towel soaked in isopropyl Alcohol. After that, let the battery completely dry.
Sometimes keys can stop working because of radio interference. This is usually caused by other devices operate on the same frequency as your Peugeot keyfob. It could be caused by unsafe conditions or objects that are within the vicinity of the vehicle. If you encounter this issue it is advised to visit the Peugeot dealership.
The Peugeot 207/308 Key Fob is fragile and requires special attention. It is not recommended to drop it or throw it around. If you lose something, try to locate it as quickly as you can. You can reset your on-board computer by disconnecting the battery for a couple of minutes. Make sure you disconnect the negative first, and then the positive.