Why is the reversing radar not beeping?

1 Answers
VanEmily
07/25/25 4:51am
The reasons why the reversing radar is not beeping: the circuit between the controller and the combination instrument is open or the buzzer in the instrument is malfunctioning. Troubleshooting methods for the reversing radar not beeping: 1. Check whether the reversing radar wiring at the rear bumper is properly connected; 2. Check whether the reversing light is on when the reverse gear is engaged. If not, check the reversing light switch; 3. Remove the right side lining of the trunk and test the continuity of the wires to the radar; 4. Open the fuse box and use a multimeter to check the continuity of the fuses related to the reversing radar; 5. The reversing radar module or buzzer is damaged and needs to be replaced. The reversing radar mainly consists of ultrasonic sensors, a controller, and a display.
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