Peugeot 308 Key Fob Replacement
Peugeot's 308 might be getting on a bit but it's still attractive. It might not be the most luxurious car in its class and the Ford Focus or Volkswagen Golf will isolate you even better from sloping surfaces - but it's still a pleasant and civilised drive.
Here at Coded Car Keys we are often asked to replace peugeot 308 key fobs. If the issue is constant or intermittent, the following tips should help.
Water Damage
If you accidentally drop your fob in a puddle or get it wet while kayaking, swimming canoeing, rafting or canyoning, it's more likely to be damaged by water. Keep your key fob in a dry, dry bag each time you are outdoors or engage in things that expose it to excessive amounts water.
It's also crucial to make sure the fob has completely dried out prior to opening it and use it again. If you notice any odors coming from the fob, like an industrial-like smell or a sour taste like windshield washer fluid, it's another sign that it's submerged in water.
A circuit board that's wet can cause the battery to discharge its charge, or even explode. If you are able to get your 308 keyfob out of the water, turn the button side up and shake as much water out as you can before opening the casing. Once you have opened it, remove the battery and clean the circuit board using an alcohol-soaked cotton swab. 90 percent isopropyl alcohol.
Other causes why your Peugeot 308 remote entry keyless system might not function include a dead battery in the coin-cell or receiver module malfunction signal interference or a defective chip. If none of the above are the problem you can restart the system by disconnecting the 12 voltage battery from the car for 15 mins.
Dead Coin Battery
Peugeot cars are equipped with a remote-start system which allows the driver to start the car from a distance by warming up or cooling down the vehicle prior to entering. This feature is extremely beneficial, especially during cold winter months. But sometimes, the remote stop system stops functioning 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, based on how often utilized and where it was purchased. Its use-by date is typically printed on the package or written in the manual.
If the key fob stopped working after being exposed clean tapwater, take out the battery and clean the electronic chip with a paper towel soaked in isopropyl ethanol. Then, dry the chip thoroughly before replacing it. If the key fob was exposed to salty or soapy water, it could have caused the chip to be damaged. You'll need to replace it.
If you're not certain the battery is faulty You can test the voltage with a multimeter that is set to the car's voltage range and connected to the plus and minus terminals. The voltage should read approximately 12-13 volts, however, if it reads lower, the battery needs to be replaced. You can also reset your onboard computer by disconnecting and reconnecting the 12 volt batteries in reverse order. (positive cable first then negative cable). The engine should begin to run after this.
Faulty Receiver Module
If you aren't seeing the "Key Detected" It could be the receiver module malfunctioning. It's the component that sends out the signal when your key fob turns on. It also acts as an alarm that stops the car from starting without the correct key.
This can be due to several causes, such as water damage or simply ageing. If the electronic chip in your Peugeot 308 keyfob has been damaged by dirty tap water it could be due to the fact that the keyfob was contaminated with it. In ignition switch 'll need to remove it apart and thoroughly clean it with isopropyl or electronic cleaner. Once the battery has dried you can try it again.
If the problem persists it is recommended to consult a local Peugeot expert or locksmith. They can use an instrument for diagnosing to pinpoint the problem and then fix it.
Losing your Peugeot car keys could be an emotional experience. However, a professional auto locksmith can fix the issue in a matter of minutes. They can cut a new key and program it to your vehicle, making sure you're ready to get out on the road in the shortest time possible. Find the nearest locksmith.
Faulty Electronic Chip
The electronic chip in the Peugeot 308 key fob is an important part of the remote control system. If it gets damaged, your car may not start, or you could receive a message that reads "anti-theft active". If this occurs, the only solution to fix the problem is to replace the key. Professional auto locksmiths are able to offer the service in the shortest time.
The chip in your Peugeot 308 key fob can be damaged due to sweat, water damage dirt, or any other cause. If your Peugeot 308 key fob is exposed to soapy water, you should clean it immediately. You can wipe the electronic component with a paper towel soaked in isopropyl Alcohol. After that, you should let the battery dry completely.
Sometimes keys can stop working because of radio interference. This can happen when other devices operate on the same frequencies as your Peugeot keyfob. It can also be caused by weather conditions or objects that are in the vicinity of the vehicle. If you experience this problem it is recommended to visit a Peugeot dealership.
The Peugeot Key Fob 207/308 is delicate and needs special attention. It is imperative not to throw or drop the key fob. If you lose it, try to find it as soon as you can. You can reset all on-board computers by disconnecting the 12 volt battery for a short period of time. Unplug the negative cable prior to the positive.