Peugeot 308 Key Fob Problems and How to Fix Them
If your Peugeot 308 key fob stopped functioning one day it could be due to a dead coin battery or water damage and receiver module issues or a faulty electronic chip. These are all simple solutions and you'll be able to get your car back to speed in a matter of minutes!
The key blade can become worn out and result in a malfunctioning car key. This is an easy fix if you visit your local Car Key Man Auto Locksmith and let them put in the new blade for you.
Battery
The key fob inside your Peugeot 308 may die or become weak enough to not send a powerful signal. This could cause the key fob to stop working and prevent you from opening and locking the doors or even starting your engine. You'll require a new battery for your key fob to fix this.

You'll need to buy batteries for replacement from an auto parts shop or your local hardware store. When you purchase the battery, make sure that it's brand new and hasn't been on the shelf for too long. A new battery has greater capacity and will send a stronger signal to your vehicle.
After replacing the battery try unlocking the doors and locking them using the key fob. If the doors do not unlock it's likely that the receiver module inside the car is responsible. Your local Peugeot dealer can reprogramme the receiver module.
The internal chip of the key fob may also be damaged. This could happen when you drop your key fob on the ground or expose it to water. The rubber seals that protect the chip from moisture could get worn out over time, particularly if the key fob is exposed to water for prolonged period of time, like when you submerge it in the ocean at the beach. To avoid this, you should keep your key fob free of moist areas and away from water.
Water Damage
Don't let go of your key fob when it becomes wet, whether you dropped it into an aquisition or stumbled into a puddle. Although the key fob is equipped with rubber seals to protect it from water, long-term exposure to water may cause damage to its electronic chip. Since water is such a good conductor and conductor, any water that makes it inside the key fob could create a series of short circuits which will eventually damage the chip. After taking the battery out, clean its contacts with isopropyl alcohol and dry it off completely before putting it back into.
Your Peugeot 308 may not start because of a dead battery. Jumper cables are an excellent method of restarting the engine when you have an additional vehicle. If the battery is causing the problem the battery will need to be replaced.
Another possibility is a malfunctioning receiver in the vehicle, which may hinder it from receiving a signal from the key fob. The key fob might be damaged or there might be an issue with the antenna, wiring or even the key fob itself. It might be necessary to program a new keyfob for your vehicle if using one. If you are unable to fix the problem, contact a professional technician. A skilled technician will be able determine the issue quickly and fix it immediately.
Radio Interference
Interference can trigger symptoms like a key fob that's not being recognized or has a narrow range. This can be either radiated, or conducted, with the latter resultant from power supply cables or speakers wiring that are too close to electrical components. Generally, re-routing replacement key for peugeot partner van or moving them further away from these components can solve the issue.
It's unlikely that someone is listening to the key fob's signal in order to steal your car It's possible, however, that radio interference has drowned out the signal. This is an easy issue to resolve.
If your key fob is not being recognized by the system, try replacing the battery. Also, ensure that the battery you are using is the proper size and type. Batteries that aren't the correct size can damage your fob.
These devices can interfere with the key signal if they are using the same radio frequency. Do not connect these devices to your key fob.
Pairing Issues
The remote keyless entry system in the car is equipped with a receiver which receives radio signals from the key fob. You won't be able to start your vehicle if the receiver isn't working even if your key fob is functioning and is reprogrammable. This problem can be caused in a number different ways, such as an inoperative battery on the coin-cell or water damage. The receiver could also be malfunctioning as a result of an internal or software glitch or damage to the key itself.
One of the most common reasons why your Peugeot 308 key fob doesn't work is that the coin battery inside has failed. You can easily replace this by using a fresh battery, however, it is essential to select the correct battery for your key fob. If you use a battery that is not correct, it could cause more problems with the key fob, therefore it's best to use the original or an alternative that is similar in size, voltage and specification.
Your Peugeot 308 keyfob may not function if connected to another vehicle. This can happen if have given your key fob to a person you know or it has been used to unlock or start other vehicles. This issue can be solved by reprogramming your key fob using an OBDII scan. This tool will usually ask you to provide certain details about the vehicle, such as the VIN or engine type, and it is essential to enter this correctly.