If the amplifier is damaged, the best course of action is to replace it. Incorrect AmplifierĪ wrong or defective amplifier can cause all systems within the fiber optic loop to shut down, affecting the Emergency Call System. Release the button and press it again to reboot the system. Press and hold the volume button for 30 seconds until the screen powers down. Rebooting the iDrive: Turn off the vehicle’s engine and ensure only the accessories are on. If the iDrive head units (such as CIC, CCC, and NBT) are damaged, they can cause communication issues within the fiber optic loop or a complete shutdown of the head units, resulting in the activation of the BMW SOS light. Defective Head Units (iDrive)īMW’s iDrive system controls most secondary vehicle systems, including the Emergency Call System. After reconnecting the battery, reconfigure the satellite radio settings. Resetting the satellite radio: Disconnect the battery of your BMW for 12 hours, forcing the satellite radio to reboot. Repairing a faulty satellite radio can be challenging, and it may be more convenient to purchase a new or working used model.Īlternatively, if you don’t use the satellite radio, you can install a fiber optic bypass loop as a fix. The satellite radio is usually located on the side or under the floor cover of your trunk. Faulty Satellite RadioĪ defective satellite radio can also cause the Emergency Call System to malfunction. If you suspect a bad TCU, take your vehicle to a skilled mechanic for a TCU replacement. It controls features such as Bluetooth, BMW Assist, BMW Online, and remote functions.Ī damaged TCU can disrupt the communication between the Emergency Call System and the BMW Assist call center, triggering the malfunction warning. The TCU is an embedded onboard system responsible for diagnostics, wireless tracking, and communication. Several factors can lead to the Emergency Call System malfunction in BMW vehicles. Causes of BMW Emergency Call System Malfunction In case of airbag deployment, the system will automatically initiate a call to the BMW call center, providing crucial information about the accident and vehicle location. The BMW Assist call center will direct you to the nearest BMW Certified Collision Repair Center and arrange for towing if necessary. The system connects you to the BMW Accident Assistance Center by pressing the iDrive controller. The BMW Emergency Call System, or Intelligent Emergency Call, is a feature installed in BMW vehicles that serves as an SOS in the event of an accident or emergency.
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