How to Fix Rolls Royce Dawn Key Fob Problems

Few cars can elicit the kind of awe-inspiring gasp that the Rolls-Royce Dawn can. Even with the roof made of cloth down, it's a stunning car.

It is packed with all the standard devices such as motorized doors that can be shut by pressing a button. Umbrellas are concealed in the openings of the doors. It also comes with an ultra-smooth V12 engine that is driven with a whisper.

Dead Coin Battery

A dead battery for a coin is the most common reason of a key fob not locking or unlocking the doors. It is also among the easiest to fix as it is usually replaced in a matter of minutes. To avoid a damaged coin battery, always make sure you use a new battery that is the same voltage, size and specifications as the original one. Also, do not use the battery that has been exposed to clean water (rain or clean tap water, or soda) since this can damage the internal chip. If the key fob won't work after reprogramming it with an original key, go to an authorized dealer.

Other reasons why the key fob might not be functioning include: Water Damage, Receiver Module Issues, Signal Interference and an Electronic Chip that is damaged.

Poor Battery Contact

The button cell battery inside the key fob that you use to access your Rolls Royce Dawn may lose its charge. It is simple to replace the battery. Make sure you replace the battery with one of the same size and voltage. If you're not sure what kind to buy, try asking the staff at your local auto parts store.

The corrosion of the battery terminals in the battery terminals in a Rolls Royce Dawn can also stop it from starting. This is a frequent issue with older batteries, particularly if they haven't been charged for a long period of time. To check if your battery terminals are corrosion free you can use a multimeter to check the conductivity. Set the meter on Ohms, and place one probe against the negative terminal of your Dawn. Then, connect the second probe to a bare metal part of the chassis or engine. The reading should be close to zero ohms.

Another sign of a weak battery in your Dawn is the sound that you hear when you try to start the engine. This is because accessories, the starter solenoid and the engine require low current while the starter solenoid needs high current.

Water Damage

Water damage is likely to occur if you accidentally drop your rolls Royce phantom key fob Royce Dawn Key Fob in the sink or leave it in the rain. The electronic chip is protected by rubber sealings but prolonged exposure to clean water or salty ocean water can cause it to stop working.

Over time water can cause corrosion, resulting in malfunctioning circuitry that could cause problems with the car's security and ignition systems. It can also interfere with the transmission of signals, causing the remote keyless system to fail. The key fob could disable your car or activate the immobiliser, leaving you in the dark.

To stop this from occurring, take off the key fob and wipe it clean with a damp cloth to dry out any moisture that remains. You can also place the key in a bag that is airtight with uncooked silica gel or rice packets to absorb any residual moisture. After the key has dried it should function normally again. If not, the issue is most likely due to the 12 volt battery or the receiver module, which will require reprogramming to fix.

Receiver Module Issues

If you've tried a new battery and the remote key fob still doesn't work, it may be time to replace the receiver module. This is the component that receives the radio frequency signals from the key fob, and converts them into commands for your car's electronic. If the chip in the module is damaged, the module will not be able communicate with the other modules of the vehicle. To determine the cause, you'll need an OBD scanner that will reveal what the onboard computer is telling it to do.

The battery inside the key fob of your Dawn includes metal retaining clips that hold it in place and complete the circuit. The clips may corrode and make the battery's contacts ineffective. If you are replacing the battery, make sure it's an exact match in size and voltage to the previous one. Otherwise it could cause damage to the chip inside the key fob.

Water damage could be the reason behind the key fob suddenly stopped working. This could happen if the key fob is dropped into water or gets wet with soapy water. You can clean the key fob using electronic cleaners or isopropylethanol however, you will need to replace the chip in case it becomes damaged.

Signal Interference

Signal interference can cause your Dawn keyfob to cease functioning. Interference can be caused by objects within the vicinity of your car or weather conditions, as well as transmitters operating on the same frequency band. It could result from a defective receiver module. If you're unable to cut down on interference, you might want to try using an extender or signal booster.

It's important to replace the button cell battery in your Dawn key fob if it's depleted. To ensure compatibility with your vehicle, the battery must have the same size and voltage as the original. If your key fob starts to fail intermittently, it could mean the chip is fried.

If you have tried everything above but your key doesn't seem to be unlocking or lock, it's time to call locksmith. A reputable locksmith will assist you with all of your Rolls Royce key fob and key programming requirements. This includes reprogramming or replacing. They will be able to give you an estimate of the work to be done. Request the locksmith's rates and credentials prior to hiring them.

Dead 12 Volt Battery

The 12 volt battery in your rolls royce key blanks Royce Dawn provides high current to start the engine and also for all the accessories and computers onboard. The battery will not function if it is dead or if the flow of electricity is interrupted by corrosion of the battery's terminals or the ground connection.

You can use a multimeter to check the conductivity of your Dawn battery. To do this, remove the negative cable from the battery and touch one probe of the Multimeter to the ground wire of the battery. Then, touch the other probe of the Multimeter to any exposed metal parts of your vehicle, like the body, chassis or engine. The reading should be near zero Ohms.

If the results aren't satisfactory If the results are not satisfactory, you can replace the battery with a fresh one with the same voltage, size and specification. Make sure that the replacement is fully charged before you use it. The most frequent cause of the battery failing is internal degradation due to age. However, it can also occur as a result an unnatural draw or if your vehicle has been left parked for a prolonged period.