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What's the reason when the dashboard completely fails but the car can still be driven?

2 Answers

DeJeremiah

07/25/25 3:16am

The reasons why the dashboard completely fails but the car can still be driven are: 1. The dashboard lighting is faulty or damaged; 2. The dashboard power supply wire is broken; 3. The dashboard power supply fuse is blown; 4. The dashboard motherboard is damaged or faulty; 5. The converter's fuse is faulty. The solutions for when the dashboard completely fails but the car can still be driven are: 1. Test whether functions like the horn are working; if they are not, it indicates a converter fuse issue; 2. Check the condition of the dashboard power supply fuse; if the fuse is blown, replace it. If the problem persists, visit the nearest 4S shop or auto repair shop for inspection.

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OPatrick

08/10/25 4:55pm

The dashboard is completely unresponsive but the car can still run. I've encountered quite a few cases like this, and usually, there are many possible reasons. The most common is a blown fuse—the dashboard's power supply is cut off, but the engine starts via a separate circuit, so the car keeps running. Poor wiring connections could also be the issue, such as loose or corroded plugs preventing signal transmission. Another possibility is a fault in the dashboard module itself, like burned internal circuits or software issues. Sometimes, low battery voltage can also affect it, being insufficient to power the dashboard. From personal experience, I’d advise against attempting DIY repairs. First, check the fuse box and try replacing the relevant fuse. If that doesn’t work, take it to a professional shop—they can test the circuits or use diagnostic tools to scan for error codes. Safety-wise, driving without a functioning dashboard is dangerous since you can’t see the speed. It’s best to pull over to a safe spot and address the issue as soon as possible. For prevention, regularly inspect wiring connectors during maintenance.

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