How to Fix Rolls Royce Dawn Key Fob Problems
There are very few cars that provoke the sort of gasp that the Rolls-Royce Dawn does. Even with the roof made of cloth down, it's still stunning.
It comes with all the typical gadgets and features, including motorised doors that can be closed with the touch of a button. Umbrellas are concealed within the openings of the doors. It is equipped with a smooth V12 engine which can be driven in near silence.
Dead Coin Battery
The most common reason for a key fob that does not lock or unlock the doors is a dead battery. It is also the easiest to fix as it can be replaced in a few moments. To avoid a damaged coin battery, ensure that you make sure you use a new battery that has the same voltage, size and specifications as the first one. Never use a battery exposed to pure water, such as rain, tap-water that is clean or even soda, as it could cause damage to the internal chip. If the key fob still does not work you can try reprogramming it with an original key, or visit an authorized dealer.
Other reasons that the key fob may not be working include Water Damage, Receiver Module Issues, Signal Interference and a bad electronic chip.
Contact with the battery is poor
The button cell battery in the key fob of your Rolls Royce Dawn may lose its charge. It is simple to replace the battery. Make sure you replace the battery with one that is the same size and voltage. Ask an employee at the auto parts store if you aren't sure what type of battery to purchase.
The corrosion of the terminals of the batteries in a Rolls Royce Dawn may also prevent it from being able to start. This is a frequent issue in older batteries, particularly those that haven't been charged in a long time. To determine if your battery's terminals aren't corroded you can utilize a multimeter to test the conductivity. Set the meter on Ohms, and place one probe against the negative terminal of your Dawn. Then, touch the other probe to a bare metal part of the chassis or engine. The reading should be near zero ohms.
Another indication of a weak battery in your Dawn is clicking noise when you attempt to start the engine. This is due to the fact that the starter solenoid and other accessories require high currents of electricity, while the engine requires low current to operate. This means that the battery is unable to provide enough charge.
Water Damage
If you dropped your Rolls Royce Dawn key fob in the sink or left it in the rain, it is likely suffering from water damage. While the chip inside is protected by rubber seals prolonged exposure to pure tap water or salty ocean water can cause it to cease functioning properly.
Moisture can cause corrosion over time, leading to faulty circuitry that can cause issues with the ignition and security system of your car. It can also interfere in the transmission of signals, which can lead to the malfunction of remote keyless systems. The key fob can even lock your car or activate the immobiliser, leaving you stuck.
To stop this from to happen, remove the key fob and wipe it with a damp cloth to remove any moisture that remains. You can also place the key in an airtight container with uncooked silica gel or rice packets to soak up any moisture. Once the key is dry it should function normally again. If the key doesn't work, it is likely that the 12 volt batteries or receiver modules are the cause. These need to be changed.
Receiver Module Issues
If you've tried a new phone but the remote key fob does not function, then it may be time to replace the receiver module. This component receives radio frequency signals from your key fob, and converts them to commands for the vehicle's electronic system. If the chip inside the module is damaged, the module will not be able to communicate with other modules of the vehicle. To determine the cause you'll need an OBD scanner that can determine what the on-board computer is telling it to do.
thekeylab.co.uk in the key fob of your Dawn includes metal retaining clips that keep it in place and complete the circuit. The clips may corrode and render the battery contacts ineffective. If you are replacing the battery, ensure that it's a perfect match in size and voltage to the original one. It could damage the chip in the key fob.
If the key fob stopped working abruptly, it could be an indication that it was damaged by water. The key fob could be damaged by water if dropped into water or immersed in soapy water. It is possible to clean the key fob using electronic cleaners or isopropyl ethanol, but you will need to replace the chip if it is fried.
Signal Interference
Occasionally, your Dawn key fob might stop working due to signal interference. The interference could be caused by objects in the vicinity of your vehicle or weather conditions, as well as transmitters that operate on the same frequency band. A defective receiver module can also cause interference. If you can't resolve your issue by reducing the amount of interference, try using a signal booster or range extender.
It is crucial to replace the button cell battery inside your Dawn key fob if it is drained. The battery should be the same voltage, size and type as the original battery to ensure your vehicle is compatible with the key fob. If your key fob is intermittently working, the chip could be fried.
If you've tried the previous tips and still can't unlock your key or lock, it's likely time to contact a professional locksmith. A reputable locksmith can help you with all of your Rolls Royce key fob and key programming needs. This includes reprogramming and replacement. They can give you an estimate for the work needed. Be sure to ask the locksmith about their fees and credentials prior to hiring them.
Dead 12 Volt Batterie
The 12 volt battery in your Rolls Royce Dawn is responsible for providing high electric current not only for starting the engine but also to supply power to all accessories as well as on-board computers. If this battery is in a dead state or the flow of current to the engine is interrupted due to corrosion on the battery terminals or ground connection, all electronics onboard including the remote keyless system will cease to function.
To check the condition of your Dawn battery, you can perform the test of conductivity using a multimeter. To do this, remove the negative cable from the battery and connect one probe of the Multimeter to ground wire of the battery. Then, apply the other probe of the Multimeter to any exposed metal parts of your vehicle, like the body, chassis, or engine. The reading should be close to zero Ohms.
If the results were not satisfactory, replace the battery by a new one with the same voltage, size and specification. Be sure to fully charge the replacement battery prior to using it. The most common reason for an unreliable battery is internal degradation as a result of age. However, it could be caused by parasitic draw or if your car has been in a garage for a long period of time.