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1. RADIO SCREEN LIGHTS UP NO SOUND HOW TO
2. RADIO SCREEN LIGHTS UP NO SOUND FULL
3. RADIO SCREEN LIGHTS UP NO SOUND CODE
4. RADIO SCREEN LIGHTS UP NO SOUND BLUETOOTH

RADIO SCREEN LIGHTS UP NO SOUND FULL

Launch Full System Scanner (Model X431 and up).List of scanners that read and clear BMW MOST fault codes.

RADIO SCREEN LIGHTS UP NO SOUND CODE

If your BMW has no sound or power, a fault code will typically be stored in the MOST module. If any code shows PRESENT status, the problem needs to be fixed before the code can be cleared. If you are experiencing problems, reading fault codes from the MOST module is a good starting point. Another way to reset BMW MOST is by using a BMW diagnostic scanner. This will force the components to reboot. Leave the battery disconnected overnight. Disconnect Batteryĭisconnecting the car battery for at least twelve hours will sometimes reset the failed MOST component and fix it. Here are a few troubleshooting steps you can follow if you are experiencing problems with your BMW radio and audio system. If your BMW is not turning on, there is a good chance the CIC/CCC head unit is defective and needs to be replaced. The code usually points to an issue with the radio or telephone module. You can scan the airbag (SRS) module to verify the fault code. If you are getting the SOS malfunction on startup, it can be because the telephone module recognizes that you won’t be able to make a phone call in case of an emergency. The airbag or SOS light comes on when there is a problem with your BMW audio system.

RADIO SCREEN LIGHTS UP NO SOUND BLUETOOTH

The Bluetooth module sometimes causes this. The iDrive may also randomly restart and go to the home screen. The telematics unit and the speed module located in the trunk are often the culprits.Ī common problem is cracking, usually from the front speakers. When you bypass the defective module, you will get sound from your BMW speakers. To find out which module is defective, you can use a female fiber optic loop (also called a lollipop) and bypass all the modules one at a time. Even though all the modules function and seem to work properly, one of the modules listed above is defective or not turning on. This problem is caused when the optical loop is broken. Possible problems that can trigger fault codes in the MOST module. iDrive keep switching to the home screen.Crackling From Speakers could be an issue SVS or TCU module.Malfunction message on the iDrive screen.Here are a few symptoms you may notice if one of the MOST components fails. Headset interface – Located left side of the trunk.Antenna tuner or digital tuner – Located on the left side of the trunk or behind the rear seat.TCU telematics control unit – In the trunk, left side.ASk Head unit – Head unit in the dashboard.Voice Input Control Unit SVS – In the trunk, left side.SPS Speech Module – Located in the trunk, left side.Bluetooth Phone Module – In the trunk, left side.Satellite DLP Module – In the trunk, left side.Amplifier Logic 7 – In the trunk, left.CD Changer – Integrated with the CIC/CCC or in the glovebox.CIC / CCC – Located in the dashboard, below the climate control.You may have anywhere from three up to eight components. Your BMW will have a few of these, depending on the options that came with your car. This is a list of components that can be part of the BMW MOST network. Reduction in the number of cables needed.Multiple devices, such as the amplifier, telephone, satellite tuner, iPod interface, Bluetooth hands-free module, etc., are connected to MOST networks. The BMW audio components are configured in a loop, so if one fails, everything stops working. MOST, for Media Oriented Systems Transport, can connect up to 64 bus systems in BMW vehicles in a ring configuration.

RADIO SCREEN LIGHTS UP NO SOUND HOW TO

Due to the BMW entertainment system’s complexity, many car mechanics do not know how to fix the BMW radio problem unless they specialize in BMWs.

Getting your BMW radio and sound system diagnosed by the dealer can be very expensive. BMW vehicles may suffer from problems such as no sound from speakers, iDrive not turning on, and even cracking sound from the speakers.