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What is the reason for the USB port in the Cadillac armrest not working?

2 Answers

DiAugust

09/02/25 6:52am

If the USB port is not working, it could be due to issues with the USB cable or the charging module. Try connecting the USB cable to a computer. If it works normally, then the charging module is likely faulty. If there is no response, try another USB cable. If it still doesn't work, the issue might be with the device or the battery. Main functions of the USB port: Utilizing the standard power supply in the car, the USB port can charge DC-5V electrical devices or serve as a fixed power supply interface for electrical equipment. Features of the USB port: The USB port, as part of the vehicle's transmission line, offers advantages such as fast transmission speed, ease of use, support for hot-swapping, flexible connectivity, and independent power supply. It is generally a universal interface for USB devices like flash drives and MP3 players.

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DiSarah

09/15/25 2:08am

I also encountered the issue of the USB port in the center console suddenly not charging while driving my Cadillac. There are several common causes. First, check the simplest possibilities: the charging cable might be damaged or the port could be clogged with dust—try switching cables or cleaning it. Another potential issue is a blown fuse. There's a specific fuse in the car's fuse box responsible for the USB circuit, which might have burned out due to overload and needs replacement. Be careful not to pull the fuse forcefully to avoid electric shock. Wiring problems are also common, such as loose internal connections, short circuits, or aging, especially after the car experiences bumps. If the vehicle's electrical system relay malfunctions, it can cut off power. Even minor software glitches might be resolved by simply restarting the ignition. If the issue persists after checking these, it's best to visit a 4S dealership for professional diagnostics—safety first, avoid unauthorized disassembly.

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