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How to Fix Rolls Royce Dawn Key Fob Problems
Few cars can create the kind of uncontrollable gasp that the Rolls-Royce Dawn can. Even with TheKeyLab made of cloth down, it's still a stunning car.
It has all the hallmark gadgets - crowd-pleasers like motorised doors that shut at the touch of a button as well as umbrellas concealed in the door's opening. It has a smooth V12 engine which can be driven in near silence.
Dead Coin Battery
The most frequent reason for a key fob to not be able to lock or unlock doors is a dead coin battery. It is also the most simple to fix since it can be replaced in several minutes. Use a new coin battery with the same size, voltage, and specifications as the original to avoid a faulty battery. Never use a battery exposed to clean water, such as rain, clean tap-water or even soda, because it could cause damage to the internal chip. If the key fob still isn't working you can try reprogramming it using the original key or visit an authorized dealer.
Damage to the Receiver Module, water issues, Signal Interference, and a damaged electronic chip are all other reasons that the key fob might not work.
Poor Battery Contact
The button cell battery inside the key fob of your Rolls Royce Dawn may lose its charge. It is easy to replace the battery. Be sure to only replace the battery with one that is the same size and voltage. Ask an employee at the auto parts store if you are not sure which type to buy.
The corrosion on the terminals of the batteries in the battery terminals of a Rolls Royce Dawn may also stop it from being able to start. This is a typical issue in older batteries, particularly when they haven't been recharged for a long period of time. A multimeter can be used for assessing the conductivity of your battery to determine if the battery's terminals are corroded. Set the meter to the ohms scale, and then place one probe against the negative terminal of your Dawn. The other probe should be placed on a metal surface of the engine or chassis. The reading should be near zero ohms.
A clicking sound is another indicator of a weak Dawn battery. This is due to the fact that the starter solenoid and other accessories require high electric current, while the engine needs a low current to operate. This means that the battery will not be able to provide enough charge.
Water Damage
Damage to your water pipes is likely to occur if you accidentally drop your Rolls Royce Dawn Key Fob in the sink or leave it in the rain. While the chip inside is protected by rubber seals, prolonged exposure to clean tap water or salty ocean water could cause it to cease functioning properly.
Moisture can cause corrosion over time, which can lead to malfunctioning circuits which could cause problems with the security and ignition system of your vehicle. It could also affect the transmission of signals, which can lead to the failure of remote keyless systems. The key fob can even lock your car, or activate the immobiliser, leaving you stuck.
To stop this from happening, remove the key fob and wipe it with a damp cloth to dry out any moisture that remains. You can also put the key in a bag filled with uncooked silica gel or rice to absorb any moisture. Once the key is dry, it should function normally again. If not, the issue is most likely due to the 12 volt battery or receiver module, which needs reconfiguring to fix the issue.
Receiver Module Issues
If you've tried a new battery and the remote key fob isn't working, it could be time to replace the receiver module. The receiver module receives radio frequency signals from your key fob, and converts them into commands for the car's electronic system. If the chip inside the module is damaged it will not be able to communicate with other modules of the vehicle. To determine the cause you'll require an OBD scanner that will show you what the on-board computer is telling it to do.
The metal clips that secure the battery in the key fob of your Dawn complete the circuit and hold it in position. The clips may corrode and make the battery contacts useless. When replacing the battery, ensure that it's the exact same size and voltage as the original. It could cause damage to the chip inside the key fob.
Water damage may be the reason behind an electronic key fob that suddenly stopped working. The key fob could be damaged by water if dropped in water or soaked in soapy water. It is possible to clean the keyfob by using electronic cleaners or isopropyl alcohol however, you will need to replace the chip if it is damaged.
Signal Interference
Occasionally your Dawn key fob may not function due to signal interference. The interference could be caused by objects within the vicinity of your car, weather conditions and transmitters that operate on the same frequency band. A faulty receiver module can also cause interference. If you're unable to cut down on interference, you might want to try using an extender or signal booster.
If the battery for the button cell is completely depleted it's time to replace it. To ensure compatibility with your vehicle, the battery should have the same voltage and size as the original. If your key fob isn't working, the chip could be damaged.
If you have tried all the above and your key is still unable to unlock or lock, then it's time to call locksmith. A reputable locksmith will be able assist you with any Rolls Royce key fob or key programming needs, such as replacing and reprogramming. They will be able to offer a quote for the work required. Be sure to inquire with the locksmith about their fees and credentials prior to hiring them.
Dead 12 Volt Battery
The 12 volt battery in your Rolls Royce Dawn provides high current to start the engine as well as for all onboard computers and accessories. If this battery is in a dead state or the flow of current to the engine is disrupted due to corrosion of the battery's terminals or ground connection, all electronic components on board including the remote keyless system will stop working.
A multimeter can be used to test the conductivity of your Dawn battery. To test this, you must remove the negative cable of the battery and touch one probe of the Multimeter to ground wire of the battery. Then, you can apply the other probe of the Multimeter to any exposed metal components of your vehicle, like the body, chassis or engine. The reading should be in the vicinity of zero in ohms.
If the results weren't satisfactory you can replace the battery with an alternative battery that has the same voltage, size and specification. Make sure the replacement is fully charged prior to use it. The most common cause of the battery failing is internal degradation caused by old age, but it can also be a result of parasitic draw, or if the car is parked for long periods of time.