Remote Key Fob Repairs
Check the battery first to determine if the remote key fob isn't working. This is often the cause of your vehicle not responding to your commands.
If the issue persists, it may be due to a different issue. Many of these issues can be resolved with simple steps.
Check the Battery
Key fobs can perform a variety of functions, including remote locking and unlocking your vehicle as well as turning on the interior lighting and allowing you to start your engine at the touch of a button. If you notice that your key fob isn't working the way it did previously or requires you to get closer to your vehicle in order for it to unlock or lock, the battery in your remote may need to be replaced.
Most key fobs are powered by a standard watch battery, usually the coin cell CR2032. They are available at most hardware and grocery stores and also at some gas stations. The inside of the fobs can vary, so be sure to consult the owner's manual to determine what kind of battery is required. It's also an excellent idea to have a spare fob on hand as you never know when yours may get lost or even break!
A remote key fob transmits an RF signal (RF) to the receiver in your vehicle. When you hit a button on the fob, it transmits a code that matches preprogrammed codes within the system of your vehicle. The receiver in your car is then able to verify the signal and opens or closes the doors in accordance with the signal. If your key fob doesn't working, it may need a new batteries or the codes need to be reset.

While you wait for a new battery you can take a few steps to make your key fob perform better. Consumer Reports reports that many automobiles have a feature that lets you disable the key-chain alarm on your key fob by pressing the panic or lock button for ten second. This is a simple trick that can protect your key-fob from activating accidentally in public. It's also a great way to keep your vehicle and yourself safe from unwanted burglaries.
You can test the battery's voltage using the multimeter. The probes should be placed on the positive and negative side of the battery. These sides should be identified with the letters P or N. A reading that is less than 3.0 Volts could mean that the battery is in need of replacing.
Check the Buttons
If you're unable to get your car key fob to respond when you press its buttons, it could mean that the fob needs replacing. The buttons on the fob send a coded message to the vehicle's receiver. It's not unusual to see them wear out.
To fix an issue with a dead remote, the first thing you should do is to replace the battery. If the new battery doesn't solve your issue, you should contact an emergency locksmith in the vicinity of Apache Junction and see if they can reset your remote back to factory settings. This involves inserting your key into the ignition, pulling it out and re-inserting it several times in a short time frame, then pressing the lock or unlock button on your fob. You should hear a chime when you complete the process.
It's also possible that your key fob is worn out, even if it has battery power to function. The contacts in the device are rubbery but coated with an electrically conductive film that wears off over time because of use and exposure to moisture. It is possible to fix this with a piece of metallic tape and an ahole punch.
A remote key fob has many useful buttons that allow you to shut and open the doors of your vehicle, lock the trunk and even start the car. Many cars have a button that can be folded into the wings mirrors. This is an excellent feature for drivers who frequent crowds of parking spaces and shopping malls. Many people are unaware that the fob could also be used to switch on the air conditioning or heating prior to getting into the car on a cold winter day or to cool it down during hot summer days.
In the majority of cases, only the dealer is able to replace a key fob. This is because making an exchange requires the kind of technology and security expertise that only a dealer can provide. If you have a service contract or extended warranty on your vehicle, it could cover the cost of replacing fobs.
Check the Connections
A remote key fob (also known as a car key remote or remote control keys, or smart keys) is a wireless device that allows you to lock and unlock your car without needing to physically insert a physical key made of metal. They typically utilize radio frequency (RF) technology to communicate with the receiver inside your car which processes and confirms the signal received. They can be a great security and convenience feature however, they can also stop functioning after replacing the battery.
The circuit board of the key fob is susceptible to damage from blunt force, water and scratches. Rubberized buttons can also become worn out, which is a problem because they are used to open doors and start engines. This vulnerability has been used by thieves to take cars and gain entry to homes. car key repair company has to work correctly to ensure security.
If your key fob doesn't operate as usual it is possible to start by trying to lock and unlock your vehicle using the backup remote. If it works, then the problem is most likely to be with your primary remote. If this fails, you can take the remote apart and examine the buttons and contacts inside for signs of a physical issue.
When you take the remote off, look for any identifying logos or marks on the outside. The most common car brands could have distinctive logos or a number on the back of the remote that corresponds with a particular model. This can help you locate the right replacement.
Locate the receiver module. It is typically located beneath the dashboard or near the ignition in older vehicles. Check for visible physical damage and ensure the contacts are clean. Try moving the fob or temporarily disconnecting the battery power to reset it and test if that helps.
If the receiver module isn't working It's time to replace it. Contact the manufacturer for parts and/or service, if needed. Otherwise, you can try programming the new module to match the original paired connection to the key fob. This is a safe and simple process, but it requires access to the car's computer system using the correct scan tool.
Reprogram
A remote key fob, also known as a remote controller, is a small electronic device that allows you to control your trunk as well as the alarm system, and locks from an extended distance. Fobs can be used to replace a metal key, or upgraded to an intelligent fob or a proximity fob that comes with extra features. Unlike traditional metal keys, a fob cannot be cut or copied by a thief to gain access to your vehicle. These devices can become inoperable with time due to battery problems or other causes. Fortunately, it is possible to repair these remotes rather than replacing them completely.
Replacing the car key fob usually requires changing the program to match the security system in your vehicle. This is a complicated task which can be more expensive in the event that it is performed by a dealer or auto locksmith. Fobs can be purchased as OEM (Original Equipment Manufacturing) or aftermarket options. OEM products are typically more expensive than aftermarket alternatives.
It is a good practice to refer to your owner's manual, or go online for specific instructions for your car model before replacing your fob. Different manufacturers may have varying instructions to follow when programming an electronic device and this can help you avoid any unnecessary costs.
The first step in reprogramming your fob is to unlock the driver's door and then press the unlock button. The door should lock within a few seconds, signalling that your car is in the mode of remote programming. If it doesn't, then start the process again.
After you've removed the metallic ignition key from the fob, you can employ a flathead screwdriver, or other tool to pry open the fob and access the circuit board within. Be cautious and be patient in order to avoid damaging the circuitry or housing. Once you have access to the board, you can change the battery.
After reprogramming your fob, it's a good idea test it by locking and unlocking the doors, and turning on the engine. The sound of the locks clicking will be a sign that your car has been successfully linked to the new fob.