Why Your Rolls Royce Remote Key Isn't Working
If you're Rolls Royce Phantom key remote isn't functioning, it could be due to one of the issues mentioned below. It could have a dead coin battery, water damage or an inoperable chip that needs to be changed.
The keys must be properly stored and protected from wet areas or electrical impulses. If you have done this, but it isn't working, try the following steps:

Diagnostics of a fault
Rolls Royce has a reputation for being a well-groomed and sophisticated automobile brand which is dedicated to excellence. It's therefore important to ensure regular maintenance to avoid major issues in the future which could cost you money and be time-consuming to repair. The most important maintenance task is to read and clear fault codes. Fault codes are like tiny SOS signals that come from your vehicle's sophisticated electronic system. Leaving out them is similar to the ignoring of a cough that is persistent which could be an indication of a larger underlying problem.
There are a variety of reasons why your key fob may not function properly. It could be due to an inoperative coin battery, water damage or signal interference, receiver module issues, or a malfunctioning electronic chip. If you've tried everything, from replacing the battery to reprogramming, and the issue persists, it's best to take your Rolls Royce in to a professional to resolve the issue.
The battery is the first thing you need to examine when a key fob ceases to function. A drained coin battery is the most common reason for a key fob to stop functioning. It is vital to replace the battery with the button-cell battery which has the same voltage, size, and specification as the original. It is also recommended that you store the key fob in a secured location and away from objects that can cause mechanical damage, such as keys or coins.
Once you have replaced the battery, it's important to ensure that all metal retaining clips are properly in place and not causing contact problems. Make sure the battery is clean and free of corrosion-causing substances. If the battery isn't authentic Rolls-Royce Replacement, it may be damaged by parts that aren't appropriate and cause the door or receiver module to lock.
Faulty Receiver Module
If your key fob suddenly stopped working, and you tried everything to solve it (replaced the coin battery and reprogrammed it, and even gotten an extra) it could be a problem with the module that receives and decodes remote control signals. This is particularly true if you are able to use the key fob with another vehicle and it functions.
The receiver modules in the key fobs have metal clips which hold the battery in place and complete the circuit on activation of the buttons. If they are bent or damaged it can stop the key fob receiving the proper signal to unlock/lock the car. In certain situations, the receiver module could be unable to function due a faulty electronic chip.
rolls royce cullinan keys TheKeyLab may malfunction due to a variety of reasons. Often, the first problem is a dead coin battery, which can be easily replaced in minutes. The key fob may also malfunction due to damage to the receiver module, water issues or signal interference. You can determine the cause by disassembling your key fob, and applying electronic cleaner or isopropyl ethanol to the chip.
Another reason for this could be worn buttons. The rubberized buttons on car keys fob remotes can become loose over time or wear out. This can result in an interruption in contact between the button and its designated pressure points, which causes it to not function properly. It is easy to repair most key fobs at home. Simply take apart the key, remove the buttons, and clean them. Then just re-soldering them in place can to restore functionality.
Other reasons for a faulty keyfob include the battery's 12 volts being dead, keys that are not connected and require to be reprogrammed or a defective chip. A chip that is defective will stop the key fob from sending signals to the receiver module in your vehicle. The key fob is able to start the engine of your Rolls Royce when it receives a signal from the chip.
Sometimes, tech-savvy thieves are able to hack a key with a push-button. These thieves are able to use artificial intelligence to detect the unique signal sent from the key fob, unlocking or activating the ignition of your car. This type of hacking is becoming less prevalent due to security measures that have been improved over the years.
You can always call the locksmith service when you've lost your remote key for your Rolls Royce. They'll make duplicates. A professional locksmith is knowledgeable of all car models, even those with complicated central lock systems. They can duplicate keys without causing damage to the original. They also can provide an alternative to purchasing the replacement from the dealer. Autolocks LTD is a well-known firm in the South East England that can offer excellent service for all Rolls Royce models.