Peugeot 308 Key Fob Replacement
Peugeot's 308 might seem somewhat old-fashioned, but it is still attractive. It might not be the most luxurious car in its class It's an Ford Focus or Volkswagen Golf will protect you from surface imperfections - but it's a relaxed and comfortable drive.
We often get asked at Coded Car Keys to replace peugeot key fobs. The following suggestions will aid in solving the issue whether it is ongoing or intermittent.
Water Damage
If you happen to leave your fob in the midst of a puddle or get it wet during kayaking, swimming, canoeing, rafting, or canyoning, it's more likely to sustain water damage. The best method to prevent this from happening is to keep it in a dry container when you're out in the open or engaging in activities where the fob could be exposed to high levels of water.
It is also important to make sure that the fob is dry before opening it up and re-using it. If you detect any smells coming from the fob, such as an industrial-type liquid smell or windshield washer fluid, this is another indication that it's submerged in water.
A circuit board that's wet can cause the battery to discharge its energy or even explode. If you're able fish the 308 key fob of the water body it was stuck in then flip the button side down and shake it out as much water as you can before opening the case. When you've opened it, remove the battery, and then clean the circuit board with an alcohol-soaked cotton swab. 90 percent isopropyl alcohol.
Other reasons your Peugeot 308 remote entry keyless system may not function could be due to a dead coin-cell battery or receiver module issues signal interference or a malfunctioning chip. If none of these are the reason you can reset the system by disconnecting 12 volt battery from the vehicle for 15 minutes.
Dead Coin Battery
Peugeot cars come with a remote-start system 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, especially in the cold winter months. However, sometimes the remote start system ceases working due to a variety of reasons, such as the battery of a coin that is dead.
The coin-shaped battery contained inside the key fob could last between two and four years, based on the frequency with which it is used, where it was purchased, and the way it is used. Its use-by date is typically printed on the package or marked in the manual.
If the key fob is not functioning after exposure to water that is clean and you want to take the battery off, clean the electronic chip using a paper towel and isopropyl alcohol, then dry it completely before replacing it. In the event of exposure to salty or soapy water, the chip might be damaged and you'll require replacing the key fob entirely.
If you're not certain the battery is defective You can test its voltage using a multimeter set to the vehicle's voltage range and connected to the plus and minus terminals. If the voltage is lower than 12-13 volts, then it is time to replace the battery. If you want to, you can try to reset the on-board computer by disconnecting the battery with 12 volts for a couple of minutes, and reconnecting it in reverse order (positive cable first followed by negative). The engine should now start.
Faulty Receiver Module
If you don't see "Key Detected", it could be that your receiver module is faulty. It's the component that transmits an alert when your key fob goes off. It also functions as an alarm, and stops the car from starting without the correct key.
This can be due to various causes, such as water damage or simply the aging process. If your Peugeot 308 key fob has been exposed to dirty tap water, for instance the electronic chip on the inside will be damaged. In this instance you'll need to remove the unit apart and clean it thoroughly with isopropyl alcohol or electronic cleaner. Once the battery has dried you can attempt to test it again.
If the issue continues to persist, it is a good idea to visit the local Peugeot expert or locksmith. They can utilize an instrument for diagnosing to pinpoint the issue and fix it.
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Electronic chip that is malfunctioning
The chip inside the Peugeot 308 key fob is a very important component of the remote control system. If the chip is damaged, you could encounter issues starting your car or receive a message saying "anti-theft". If this occurs, the only option to fix the issue is to obtain a new key. Fortunately, professional auto locksmiths can offer the service within the shortest period of time.
The chip inside your Peugeot 308's key fob could fail due to many reasons, such as sweat, water damage or dirt. If your Peugeot 308 key fob is exposed to soapy water, clean it right away. You can wipe the electronic component using 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 to stop working. This can happen when other devices operate on the same frequencies as your Peugeot keyfob. peugeot 107 key fob G28 Car Keys could be caused by poor conditions or objects near to the vehicle. If you experience this problem it is advised to visit a Peugeot dealership.
The Peugeot 207/308 key fob is very delicate and requires a lot of attention. It is essential not to throw or drop the key fob. If you lose it, try to find it as quickly as you can. You can reset the on-board computer by disconnection of the battery for a few minutes. Make sure you disconnect the negative cable first, and then the positive.