Peugeot 308 Key Fob Problems and How to Fix Them

If your peugeot spare key 308 key fob has stopped working for a while it could be due to a dead battery in the coin or water damage or receiver module issues, or a malfunctioning electronic chip. Fortunately, all of these are simple to fix and you'll have your car back to normal in no time at all!

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Battery

The battery that powers the key fob on your Peugeot 308 can sometimes die or become too weak to send a strong signal to the car. The key fob could stop working and prevent you from locking or unlocking your doors, or even starting the engine. To fix this, you'll need to replace the battery on the key fob.

You'll need to purchase batteries for replacement from an auto parts store or at your local hardware store. When you purchase the battery make sure that it's brand fresh and hasn't just been sitting on the shelf for a long time. A new battery will have more capacity and can send a more powerful signal to the car.

After replacing the battery try unlocking the doors and locking them using the key fob. If the doors do not unlock then the receiver module in the car is the cause. The local Peugeot dealer can reprogram the receiver module.

The internal chip of the key fob could also be damaged. This could happen if you drop your key fob on the ground or expose it to water. Rubber seals that shield your chip from moisture may wear out over time. This is particularly true if you expose your key fob to water for extended periods of time, such as submerging it in the ocean. To avoid this happening, it's essential to protect your key fob from moisture and to never let it come in contact with water.

Water Damage

If your key fob becomes wet, whether you tossed it into the pool or threw it into a puddle, don't think it's a case of lost cause. The key fob is protected by rubber seals, but prolonged exposure to water could damage its electronic chip. Water is a good conductor, and any water that comes into the key fob will trigger the short circuits to be in series that eventually destroy the electronic chip. After removing the battery clean the contacts with isopropyl Alcohol and dry it off completely before putting it back in.

A dead battery can also be the reason that your Peugeot 308 won't start. If you have a spare car, jumper cables can be used to start the engine again. If the battery is defective and needs to be replaced, it should be replaced.

Another possibility is an ineffective receiver in the vehicle, which may hinder it from receiving a signal from the key fob. The key fob could be damaged or there could be an issue with the antenna, wiring, or the key fob itself. It may be necessary to program a new keyfob to your vehicle if you are using one. If you're unable to solve the issue yourself then contact a professional technician. A trained technician will be able to find the issue quickly and correct it swiftly.

Radio Interference

Interference can trigger problems such as a key fob that is not recognized or has a limited range. The interference can be transmitted or radiated, the latter resulting from power cables and speaker cables being too close to electrical parts. Generally, rerouting the cables or moving them away from these components could resolve the issue.

It's unlikely someone is watching your key fob's signals in an attempt to steal your car however it is possible that radio interference has slowed the signal. This is a simple problem to fix.

If your key fobs that aren't recognized, try a fresh battery. Also, make sure that the battery you are using is the right type and size. If the battery is not properly sized, it could damage the fob.

These devices can interfere with the key signal if they use the same radio frequency. It is recommended to avoid attaching these devices to your key fob.

Pairing Issues

The remote keyless entry system is a receiver that receives radio frequency signals from the key fob. It is not possible to start your car if this receiver is malfunctioning, even if your key fob is working and is reprogrammable. The issue could result from a variety of causes, including a dead coin battery and water damage. The receiver could also be malfunctioning due an internal or software issue or damage to the key itself.

The battery that powers your Peugeot 308 keyfob may have gone out of service. You can easily replace this with a brand new battery however, it is essential to get the right battery for your key fob. The wrong battery could result in further problems with the key fob, so it's best to use the original battery or an equivalent replacement in size, voltage, and specification.

Another reason the reason why your Peugeot 308 key fob might not be working is due to the fact that it is linked to another vehicle. This can happen if you have given your key fob to a friend or in the event that the key was used to unlock and begin other vehicles. You can fix this by reprogramming the key fob using an OBDII scanner. The scanner will usually ask you for specific information regarding your vehicle, like the VIN or engine type, so it's essential to enter this correctly.