Why Nobody Cares About Peugeot 308 Key Fob

Peugeot 308 Key Fob Replacement

Peugeot's 308 is slightly old, but it is still eye-catching. It might not be the most luxurious car in its class - an Ford Focus or Volkswagen Golf will isolate you even better from surface imperfections - but it's a relaxed and pleasant driving experience.

Here at Coded Car Keys we are often asked to replace peugeot 308 key fobs. No matter if the issue is ongoing or continuous, the following tips should help.

Water Damage

If you happen to leave your fob in the midst of a puddle or get it wet when kayaking, swimming, canoeing, rafting, or canyoning, it's most likely to sustain water damage. Keep your key fob in a dry, dry bag each time you are outdoors or engage in activities that expose it to large amounts of water.

It is also important to make sure that the fob is dry before opening it up and using it again. If you smell any odors from the fob (such as industrial fluid or windshield washer fluid) This is a further indication that it's submerged.


A wet circuit board can cause the battery's charge to drop its energy or even explode. If you can remove your keyfob 308 from the water and turn it upside up and shake as much water out as you can prior to opening the casing. After you open it, remove the battery and wipe down the circuit board with the help of a cotton swab that has been dipped in 90 percent isopropyl alcohol.

Other reasons your Peugeot 308 remote keyless entry system may not function include the battery of your coin is dead or receiver module issues signal interference, an electronic chip that is damaged. If none of the above are the cause, you can try resetting your system by disconnecting the battery that is 12 volts for around 15 minutes.

Dead Coin Battery

Peugeot cars come with a remote start system that allows the driver to start the car from a distance by warming up or cooling down the vehicle prior to entering. This feature is very beneficial particularly during the cold winter months. Remote start systems can be stopped for a variety of reasons, including the battery being dead.

A coin-shaped battery found inside the key fob can last for a period of two to four years, based on how often used and where it is purchased. The date of use will be printed on the package or mentioned in the user's manual.

If the key fob is not functioning after exposure to clean tap water then you must take the battery off, clean the chip using a paper towel and isopropyl alcohol, and then dry it thoroughly before replacing it. If you expose it to soapy or salty water, the chip could be fried and you will require replacing the key fob completely.

If you're not sure whether the battery is damaged it is possible to check the voltage using a multimeter attached to both the minus and plus terminals. The voltage should be between 12-13 volts but if it is lower, then the battery needs to be replaced. You can also try to reset your on-board computer by disconnecting the battery with 12 volts for a few minutes, and then reconnecting it in reverse order (positive cable first, then negative). The engine should then start after this.

Faulty Receiver Module

If you aren't seeing the "Key Detected" you might find the receiver module malfunctioning. It's the part that sends an alert to the car when the key fob is activated which also acts as an immobiliser. It stops it from starting unless the correct key is used.

This could result from a variety of factors including water damage or simply ageing. If the chip inside your Peugeot 308 keyfob has been damaged by dirty tap water it could be because the keyfob was exposed to it. In this scenario it is necessary to take the unit apart and clean it thoroughly with isopropyl alcohol, or electronic cleaner. Once it's dry, you can put the battery back in and test it again.

If the issue is not resolved, it is a good idea to consult an area Peugeot expert or locksmith. They'll make use of a diagnostic device to identify the problem and repair it for you.

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Faulty electronic chip

The electronic chip that is in the Peugeot 308 key fob plays an essential function in the remote control system. If the chip is damaged, you could be unable to start your car or receive a message stating "anti-theft". In this scenario, the only solution is to replace the key. Professional auto locksmiths can provide this fastest possible time.

The chip inside your Peugeot 308's key fob may become faulty for many reasons, such as sweat, water damage, or dirt. If your Peugeot key fob has been exposed to soapy or dirty water, it should be cleaned immediately. You can wipe the electronic component using a paper towel soaked in isopropyl Alcohol. The battery must then be allowed to completely dry.

Sometimes the key fob may not function due to radio interference. This could be caused by other devices operating at the same frequency as your Peugeot key fob. This could be due to bad conditions or objects near to the vehicle. It is recommended to see a Peugeot dealer if you encounter this problem.

The Peugeot key fob 207/308 is very delicate and requires care. It is not recommended to drop it or throw it around. If you lose it, try to find it as quickly as possible. 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.

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Pub: 25 Apr 2024 01:55 UTC
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