How to Fix Rolls Royce Dawn Key Fob Problems

There are few automobiles that can generate the kind of involuntary gasp the Rolls-Royce Dawn does. Even with the cloth roof down, it's still an impressive car.

It has all the hallmark devices - like motorised doors that shut at the push of a button and umbrellas concealed in the door opening. It comes with an incredibly smooth V12 engine that can be driven in near silence.

Dead Coin Battery

A dead battery for a coin is the most common cause of a key fob that isn't locking or unlocking the doors. It is also the easiest to fix as it can be replaced in several minutes. To avoid getting a faulty coin battery, make sure you use a new battery that is the same voltage, size and specifications as the first one. Never use a battery exposed to clean water, like rain, clean tap water or even soda, because this can damage the internal chip. If the key fob does not work after reprogramming it with an original key, go to an authorized dealer.

Water damage, Receiver Module issues, Signal Interference and a damaged electronic chip are a few other reasons for why the key fob might not function.

Poor Battery Contact

The button cell battery inside the key fob of your Rolls Royce Dawn may lose its charge. Replacing the battery is a quick and simple fix. Make sure you replace the battery with one that is the same size and voltage. If you're not sure which type to purchase, ask an employee at the local auto parts store.

The corrosion of the terminals of the battery in the battery terminals of a Rolls Royce Dawn may also prevent it from being able to start. This is a typical issue with older batteries, particularly when they haven't been recharged for a long period of. To check if your battery terminals are corrosion free, you can use a multimeter to check the conductivity. Set the meter to the ohms scale, and then place one of the probes 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 noise is another sign of a weak Dawn battery. This is due to the accessories, the starter solenoid and the engine require low current while the starter solenoid needs high current.

Water Damage

Water damage could be a result of dropping your rolls royce replacement key Royce Dawn Key Fob in the sink, or leave it in the rain. Although the electronic chip inside is protected by rubber seals, prolonged exposure to clean tap water or salty ocean water may cause it to stop working properly.

Moisture can cause corrosion over time, leading to malfunctioning circuitry which could cause problems with the ignition and security system of your vehicle. It also can interfere with signal transmission, causing the remote keyless system to fail. The key fob may disable your car or activate the immobiliser, leaving you in the dark.

To prevent this from happening, remove the key fob from its case and wipe it down with a a damp towel to remove any moisture. You can also put the key in a bag with uncooked silica gel or rice to absorb any moisture. After drying the key should function normally again. If the key does not work, it is likely that the 12 volt batteries or receiver modules are the cause. These modules must be reprogrammed.

Receiver Module Issues

If you've already tried a new battery but the remote key fob isn't working, it might be time to replace the receiver module. This is the part that receives the radio frequency signals from the key fob, and converts them into commands for the car's electronics. If the chip in the module is damaged it will not be able to communicate with other modules of the vehicle. You'll need a scanner in order to identify the issue. It will be able to show what the computer in the vehicle is telling it.

The clips made of metal that hold the battery in the key fob of your Dawn complete the circuit and keep it in place. The clips may corrode and render the battery's contact ineffective. If you replace the battery, ensure that it's the exact size and voltage to the previous one. Otherwise it could damage the chip inside the key fob.

If the key fob stops suddenly, it could indicate that it has been damaged by water. The key fob may be damaged by water if it is dropped into water or soaked 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's fried.

Signal Interference

Signal interference could cause your Dawn keyfob to stop functioning. The interference could be due to objects near your car, weather conditions, and transmitters using the same frequency band. A malfunctioning receiver module could also cause interference. If you're unable to solve your problem by decreasing the amount of interference, you can try using an amplifier for signal or a range extender.

It is crucial to replace the button cell battery inside your Dawn key fob if it is drained. The battery should have the same voltage, size and type as the original battery to ensure that your vehicle remains compatible with the key fob. If your key fob is intermittently working, the chip could be fried.

If you've tried all of the above suggestions but still aren't able to get your key to open or lock, it's likely time to contact a professional locksmith. A reputable locksmith will assist you with all your Rolls Royce key fob and key programming needs. This includes reprogramming or replacement. They can offer a quote for the work needed. Be sure to ask the locksmith about their fees and credentials prior to hiring them.

Dead 12 Volt Battery

The 12 volt battery inside your Rolls Royce Dawn provides high current to start the engine as well as for all onboard computers and accessories. If this battery is dead or the flow of power to the engine is interrupted due to corrosion of the battery terminals or ground connection, all electronic components on board including the remote keyless system will stop working.

You can use a multimeter to determine the conductivity of your Dawn battery. To do this, take off the negative cable from the battery and connect one probe of the Multimeter to the 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 near zero in ohms.

If the results aren't satisfactory, you can replace the battery with another one of the same size, voltage and specification. Be sure to fully charge the new battery before using it. The most common cause of a faulty battery is internal degradation due to age. However, it could also be a result of the draw of a parasite or if your car has been left parked for a prolonged period.