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What is the reason for the Audi A6 radar not displaying?

2 Answers
BlakelyLynn
07/29/25 11:00am
Audi A6 radar not displaying is generally caused by foreign objects covering the radar or radar malfunction. Radar covered by foreign objects: Foreign objects covering the radar sensing position, such as tape, bird droppings, chewing gum, etc., cover the circular sensor of the reversing radar, preventing the radar from performing its sensing function. Radar malfunction: If the radar malfunctions, whether it's a damaged sensor, wiring fault, or display issue, it is necessary to promptly visit a 4S shop or repair shop for inspection. Corresponding module updates or component repairs should be performed based on the identified problem.
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DeLydia
08/13/25 4:58pm
I recently had a sudden issue with my Audi A6's radar not displaying, which made me a bit nervous. Possible causes include the radar sensor being covered by mud or ice—cleaning it should restore functionality. Or it could be a blown fuse; try opening the engine compartment or cabin fuse box to locate and replace the corresponding fuse. A short circuit or aging wiring can also interrupt the signal, such as during rainy weather or if rodents have chewed through the wires, so check the connector connections. Software glitches might also be the culprit, like the system lagging after an update, causing the radar to fail—restarting the infotainment system or disconnecting the battery for a minute to reset usually helps. Don’t forget safety—with the radar not working, reversing becomes riskier, so I immediately relied on mirrors and the backup camera to avoid collisions. For regular maintenance to prevent issues, I clean the sensors monthly to ensure they work properly.
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